20781551700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 864

約数和(自身を含む): 85945749120

約数和(自身を除く): 65164197420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 27, 28, 30, 35, 36, 39, 42, 43, 45, 49, 50, 52, 54, 60, 63, 65, 70, 75, 78, 84, 86, 90, 91, 98, 100, 105, 108, 117, 126, 129, 130, 135, 140, 147, 150, 156, 172, 175, 180, 182, 189, 195, 196, 210, 215, 225, 234, 245, 252, 258, 260, 270, 273, 281, 294, 300, 301, 315, 325, 350, 351, 364, 378, 387, 390, 420, 430, 441, 450, 455, 468, 490, 516, 525, 540, 546, 559, 562, 585, 588, 602, 630, 637, 645, 650, 675, 700, 702, 735, 756, 774, 780, 819, 843, 860, 882, 900, 903, 910, 945, 975, 980, 1050, 1075, 1092, 1118, 1124, 1161, 1170, 1204, 1225, 1260, 1274, 1290, 1300, 1323, 1350, 1365, 1404, 1405, 1470, 1505, 1548, 1575, 1638, 1677, 1686, 1755, 1764, 1806, 1820, 1890, 1911, 1935, 1950, 1967, 2100, 2107, 2150, 2205, 2236, 2275, 2322, 2340, 2450, 2457, 2529, 2548, 2580, 2646, 2700, 2709, 2730, 2795, 2810, 2925, 2940, 3010, 3150, 3185, 3225, 3276, 3354, 3372, 3510, 3612, 3653, 3675, 3780, 3822, 3870, 3900, 3913, 3934, 4095, 4214, 4215, 4300, 4410, 4515, 4550, 4644, 4725, 4900, 4914, 5031, 5058, 5292, 5418, 5460, 5590, 5620, 5733, 5805, 5850, 5901, 6020, 6300, 6321, 6370, 6450, 6615, 6708, 6825, 7020, 7025, 7306, 7350, 7525, 7587, 7644, 7740, 7826, 7868, 8127, 8190, 8385, 8428, 8430, 8775, 8820, 9030, 9100, 9450, 9555, 9675, 9828, 9835, 10062, 10116, 10535, 10836, 10959, 11025, 11180, 11466, 11610, 11700, 11739, 11802, 12083, 12285, 12642, 12645, 12740, 12900, 13230, 13545, 13650, 13769, 13975, 14050, 14612, 14700, 15050, 15093, 15174, 15652, 15925, 16254, 16380, 16770, 16860, 17199, 17550, 17703, 18060, 18265, 18900, 18963, 19110, 19350, 19565, 19670, 20124, 20475, 21070, 21075, 21918, 22050, 22575, 22932, 23220, 23478, 23604, 24166, 24570, 25155, 25284, 25290, 25571, 26460, 27090, 27300, 27391, 27538, 27950, 28100, 28665, 29025, 29505, 30100, 30186, 30348, 31605, 31850, 32508, 32877, 33075, 33540, 34398, 35100, 35217, 35406, 36249, 36530, 37926, 37935, 38220, 38700, 39130, 39340, 40635, 40950, 41307, 41925, 42140, 42150, 43836, 44100, 45150, 46956, 47775, 48332, 49140, 49175, 50310, 50580, 51142, 52675, 53109, 54180, 54782, 54795, 55076, 55900, 56889, 57330, 58050, 58695, 59010, 60372, 60415, 61425, 63210, 63225, 63700, 65754, 66150, 67725, 68796, 68845, 70434, 70812, 72498, 73060, 75465, 75852, 75870, 76713, 78260, 81270, 81900, 82173, 82614, 83850, 84300, 84581, 85995, 88515, 90300, 91325, 94815, 95550, 97825, 98350, 98631, 100620, 102284, 105350, 105651, 106218, 108747, 109564, 109590, 113778, 114660, 116100, 117390, 118020, 120830, 122850, 123921, 125775, 126420, 126450, 127855, 131508, 132300, 135450, 136955, 137690, 140868, 143325, 144996, 147525, 150930, 151740, 153426, 157079, 158025, 162540, 164346, 164385, 165228, 167700, 169162, 171990, 176085, 177030, 178997, 181245, 182650, 189630, 189675, 191100, 195650, 196700, 197262, 203175, 206535, 210700, 211302, 212436, 217494, 219180, 227556, 230139, 234780, 241660, 245700, 246519, 247842, 251550, 252900, 253743, 255710, 265545, 270900, 273910, 273975, 275380, 284445, 286650, 293475, 295050, 301860, 302075, 306852, 314158, 316050, 326241, 328692, 328770, 338324, 343980, 344225, 352170, 354060, 357994, 362490, 365300, 371763, 377325, 379260, 379350, 383565, 391300, 394524, 406350, 410865, 413070, 422604, 422905, 429975, 434988, 442575, 460278, 471237, 474075, 493038, 493155, 495684, 503100, 507486, 511420, 528255, 531090, 536991, 543735, 547820, 547950, 568890, 573300, 586950, 590100, 592067, 604150, 619605, 628316, 632100, 639275, 652482, 657540, 684775, 688450, 690417, 704340, 715988, 724980, 739557, 743526, 754650, 758700, 761229, 767130, 785395, 812700, 821730, 821925, 826140, 845810, 859950, 880425, 885150, 894985, 906225, 920556, 942474, 948150, 986076, 986310, 1014972, 1032675, 1056510, 1062180, 1073982, 1087470, 1095900, 1099553, 1137780, 1150695, 1173900, 1184134, 1208300, 1232595, 1239210, 1268715, 1278550, 1304964, 1327725, 1369550, 1376900, 1380834, 1413711, 1422225, 1479114, 1487052, 1509300, 1522458, 1534260, 1570790, 1610973, 1631205, 1643460, 1643850, 1691620, 1719900, 1760850, 1770300, 1776201, 1789970, 1812450, 1858815, 1884948, 1896300, 1917825, 1972620, 2054325, 2065350, 2113020, 2114525, 2147964, 2174940, 2199106, 2283687, 2301390, 2356185, 2368268, 2465190, 2465775, 2478420, 2537430, 2557100, 2641275, 2655450, 2684955, 2718675, 2739100, 2761668, 2827422, 2844450, 2958228, 2960335, 3044916, 3098025, 3141580, 3221946, 3262410, 3287700, 3298659, 3452085, 3521700, 3552402, 3579940, 3624900, 3697785, 3717630, 3806145, 3835650, 3926975, 4108650, 4130700, 4229050, 4241133, 4398212, 4474925, 4567374, 4602780, 4712370, 4832919, 4930380, 4931550, 5074860, 5282550, 5310900, 5328603, 5369910, 5437350, 5497765, 5654844, 5688900, 5753475, 5920670, 6162975, 6196050, 6343575, 6443892, 6524820, 6597318, 6904170, 7068555, 7104804, 7395570, 7435260, 7612290, 7671300, 7696871, 7853950, 8054865, 8156025, 8217300, 8458100, 8482266, 8881005, 8949850, 9134748, 9294075, 9424740, 9665838, 9863100, 9895977, 10565100, 10657206, 10739820, 10874700, 10995530, 11418435, 11506950, 11780925, 11841340, 12325950, 12392100, 12687150, 13194636, 13424775, 13808340, 14137110, 14791140, 14801675, 15224580, 15393742, 15707900, 15985809, 16109730, 16312050, 16493295, 16964532, 17260425, 17762010, 17899700, 18488925, 18588150, 19030725, 19331676, 19791954, 21205665, 21314412, 21991060, 22836870, 23013900, 23090613, 23561850, 24164595, 24651900, 25374300, 26643015, 26849550, 27488825, 28274220, 29603350, 29687931, 30787484, 31971618, 32219460, 32624100, 32986590, 34520850, 35342775, 35524020, 36977850, 37176300, 38061450, 38484355, 39583908, 40274325, 42411330, 44405025, 45673740, 46181226, 47123700, 48329190, 49479885, 53286030, 53699100, 54977650, 57092175, 59206700, 59375862, 63943236, 65973180, 69041700, 69271839, 70685550, 73955700, 76122900, 76968710, 79929045, 80548650, 82466475, 84822660, 88810050, 92362452, 96658380, 98959770, 106028325, 106572060, 109955300, 114184350, 115453065, 118751724, 120822975, 133215075, 138543678, 141371100, 148439655, 153937420, 159858090, 161097300, 164932950, 177620100, 192421775, 197919540, 207815517, 212056650, 228368700, 230906130, 241645950, 247399425, 266430150, 277087356, 296879310, 319716180, 329865900, 346359195, 384843550, 399645225, 415631034, 424113300, 461812260, 483291900, 494798850, 532860300, 577265325, 593758620, 692718390, 742198275, 769687100, 799290450, 831262068, 989597700, 1039077585, 1154530650, 1385436780, 1484396550, 1598580900, 1731795975, 2078155170, 2309061300, 2968793100, 3463591950, 4156310340, 5195387925, 6927183900, 10390775850, 20781551700]

約数ペア:

[(1, 20781551700), (2, 10390775850), (3, 6927183900), (4, 5195387925), (5, 4156310340), (6, 3463591950), (7, 2968793100), (9, 2309061300), (10, 2078155170), (12, 1731795975), (13, 1598580900), (14, 1484396550), (15, 1385436780), (18, 1154530650), (20, 1039077585), (21, 989597700), (25, 831262068), (26, 799290450), (27, 769687100), (28, 742198275), (30, 692718390), (35, 593758620), (36, 577265325), (39, 532860300), (42, 494798850), (43, 483291900), (45, 461812260), (49, 424113300), (50, 415631034), (52, 399645225), (54, 384843550), (60, 346359195), (63, 329865900), (65, 319716180), (70, 296879310), (75, 277087356), (78, 266430150), (84, 247399425), (86, 241645950), (90, 230906130), (91, 228368700), (98, 212056650), (100, 207815517), (105, 197919540), (108, 192421775), (117, 177620100), (126, 164932950), (129, 161097300), (130, 159858090), (135, 153937420), (140, 148439655), (147, 141371100), (150, 138543678), (156, 133215075), (172, 120822975), (175, 118751724), (180, 115453065), (182, 114184350), (189, 109955300), (195, 106572060), (196, 106028325), (210, 98959770), (215, 96658380), (225, 92362452), (234, 88810050), (245, 84822660), (252, 82466475), (258, 80548650), (260, 79929045), (270, 76968710), (273, 76122900), (281, 73955700), (294, 70685550), (300, 69271839), (301, 69041700), (315, 65973180), (325, 63943236), (350, 59375862), (351, 59206700), (364, 57092175), (378, 54977650), (387, 53699100), (390, 53286030), (420, 49479885), (430, 48329190), (441, 47123700), (450, 46181226), (455, 45673740), (468, 44405025), (490, 42411330), (516, 40274325), (525, 39583908), (540, 38484355), (546, 38061450), (559, 37176300), (562, 36977850), (585, 35524020), (588, 35342775), (602, 34520850), (630, 32986590), (637, 32624100), (645, 32219460), (650, 31971618), (675, 30787484), (700, 29687931), (702, 29603350), (735, 28274220), (756, 27488825), (774, 26849550), (780, 26643015), (819, 25374300), (843, 24651900), (860, 24164595), (882, 23561850), (900, 23090613), (903, 23013900), (910, 22836870), (945, 21991060), (975, 21314412), (980, 21205665), (1050, 19791954), (1075, 19331676), (1092, 19030725), (1118, 18588150), (1124, 18488925), (1161, 17899700), (1170, 17762010), (1204, 17260425), (1225, 16964532), (1260, 16493295), (1274, 16312050), (1290, 16109730), (1300, 15985809), (1323, 15707900), (1350, 15393742), (1365, 15224580), (1404, 14801675), (1405, 14791140), (1470, 14137110), (1505, 13808340), (1548, 13424775), (1575, 13194636), (1638, 12687150), (1677, 12392100), (1686, 12325950), (1755, 11841340), (1764, 11780925), (1806, 11506950), (1820, 11418435), (1890, 10995530), (1911, 10874700), (1935, 10739820), (1950, 10657206), (1967, 10565100), (2100, 9895977), (2107, 9863100), (2150, 9665838), (2205, 9424740), (2236, 9294075), (2275, 9134748), (2322, 8949850), (2340, 8881005), (2450, 8482266), (2457, 8458100), (2529, 8217300), (2548, 8156025), (2580, 8054865), (2646, 7853950), (2700, 7696871), (2709, 7671300), (2730, 7612290), (2795, 7435260), (2810, 7395570), (2925, 7104804), (2940, 7068555), (3010, 6904170), (3150, 6597318), (3185, 6524820), (3225, 6443892), (3276, 6343575), (3354, 6196050), (3372, 6162975), (3510, 5920670), (3612, 5753475), (3653, 5688900), (3675, 5654844), (3780, 5497765), (3822, 5437350), (3870, 5369910), (3900, 5328603), (3913, 5310900), (3934, 5282550), (4095, 5074860), (4214, 4931550), (4215, 4930380), (4300, 4832919), (4410, 4712370), (4515, 4602780), (4550, 4567374), (4644, 4474925), (4725, 4398212), (4900, 4241133), (4914, 4229050), (5031, 4130700), (5058, 4108650), (5292, 3926975), (5418, 3835650), (5460, 3806145), (5590, 3717630), (5620, 3697785), (5733, 3624900), (5805, 3579940), (5850, 3552402), (5901, 3521700), (6020, 3452085), (6300, 3298659), (6321, 3287700), (6370, 3262410), (6450, 3221946), (6615, 3141580), (6708, 3098025), (6825, 3044916), (7020, 2960335), (7025, 2958228), (7306, 2844450), (7350, 2827422), (7525, 2761668), (7587, 2739100), (7644, 2718675), (7740, 2684955), (7826, 2655450), (7868, 2641275), (8127, 2557100), (8190, 2537430), (8385, 2478420), (8428, 2465775), (8430, 2465190), (8775, 2368268), (8820, 2356185), (9030, 2301390), (9100, 2283687), (9450, 2199106), (9555, 2174940), (9675, 2147964), (9828, 2114525), (9835, 2113020), (10062, 2065350), (10116, 2054325), (10535, 1972620), (10836, 1917825), (10959, 1896300), (11025, 1884948), (11180, 1858815), (11466, 1812450), (11610, 1789970), (11700, 1776201), (11739, 1770300), (11802, 1760850), (12083, 1719900), (12285, 1691620), (12642, 1643850), (12645, 1643460), (12740, 1631205), (12900, 1610973), (13230, 1570790), (13545, 1534260), (13650, 1522458), (13769, 1509300), (13975, 1487052), (14050, 1479114), (14612, 1422225), (14700, 1413711), (15050, 1380834), (15093, 1376900), (15174, 1369550), (15652, 1327725), (15925, 1304964), (16254, 1278550), (16380, 1268715), (16770, 1239210), (16860, 1232595), (17199, 1208300), (17550, 1184134), (17703, 1173900), (18060, 1150695), (18265, 1137780), (18900, 1099553), (18963, 1095900), (19110, 1087470), (19350, 1073982), (19565, 1062180), (19670, 1056510), (20124, 1032675), (20475, 1014972), (21070, 986310), (21075, 986076), (21918, 948150), (22050, 942474), (22575, 920556), (22932, 906225), (23220, 894985), (23478, 885150), (23604, 880425), (24166, 859950), (24570, 845810), (25155, 826140), (25284, 821925), (25290, 821730), (25571, 812700), (26460, 785395), (27090, 767130), (27300, 761229), (27391, 758700), (27538, 754650), (27950, 743526), (28100, 739557), (28665, 724980), (29025, 715988), (29505, 704340), (30100, 690417), (30186, 688450), (30348, 684775), (31605, 657540), (31850, 652482), (32508, 639275), (32877, 632100), (33075, 628316), (33540, 619605), (34398, 604150), (35100, 592067), (35217, 590100), (35406, 586950), (36249, 573300), (36530, 568890), (37926, 547950), (37935, 547820), (38220, 543735), (38700, 536991), (39130, 531090), (39340, 528255), (40635, 511420), (40950, 507486), (41307, 503100), (41925, 495684), (42140, 493155), (42150, 493038), (43836, 474075), (44100, 471237), (45150, 460278), (46956, 442575), (47775, 434988), (48332, 429975), (49140, 422905), (49175, 422604), (50310, 413070), (50580, 410865), (51142, 406350), (52675, 394524), (53109, 391300), (54180, 383565), (54782, 379350), (54795, 379260), (55076, 377325), (55900, 371763), (56889, 365300), (57330, 362490), (58050, 357994), (58695, 354060), (59010, 352170), (60372, 344225), (60415, 343980), (61425, 338324), (63210, 328770), (63225, 328692), (63700, 326241), (65754, 316050), (66150, 314158), (67725, 306852), (68796, 302075), (68845, 301860), (70434, 295050), (70812, 293475), (72498, 286650), (73060, 284445), (75465, 275380), (75852, 273975), (75870, 273910), (76713, 270900), (78260, 265545), (81270, 255710), (81900, 253743), (82173, 252900), (82614, 251550), (83850, 247842), (84300, 246519), (84581, 245700), (85995, 241660), (88515, 234780), (90300, 230139), (91325, 227556), (94815, 219180), (95550, 217494), (97825, 212436), (98350, 211302), (98631, 210700), (100620, 206535), (102284, 203175), (105350, 197262), (105651, 196700), (106218, 195650), (108747, 191100), (109564, 189675), (109590, 189630), (113778, 182650), (114660, 181245), (116100, 178997), (117390, 177030), (118020, 176085), (120830, 171990), (122850, 169162), (123921, 167700), (125775, 165228), (126420, 164385), (126450, 164346), (127855, 162540), (131508, 158025), (132300, 157079), (135450, 153426), (136955, 151740), (137690, 150930), (140868, 147525), (143325, 144996)]