20538607320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 768

約数和(自身を含む): 88540646400

約数和(自身を除く): 68002039080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 31, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 62, 63, 66, 70, 72, 77, 84, 88, 90, 93, 99, 105, 108, 110, 120, 124, 126, 132, 135, 140, 154, 155, 165, 168, 180, 186, 189, 198, 210, 216, 217, 220, 231, 248, 252, 257, 264, 270, 279, 280, 297, 308, 310, 315, 330, 341, 360, 372, 378, 385, 396, 420, 434, 440, 462, 465, 495, 504, 514, 540, 558, 594, 616, 620, 630, 651, 660, 682, 693, 744, 756, 770, 771, 792, 837, 840, 868, 924, 930, 945, 961, 990, 1023, 1028, 1080, 1085, 1116, 1155, 1188, 1240, 1260, 1285, 1302, 1320, 1364, 1386, 1395, 1485, 1512, 1540, 1542, 1674, 1705, 1736, 1799, 1848, 1860, 1890, 1922, 1953, 1980, 2046, 2056, 2079, 2170, 2232, 2310, 2313, 2376, 2387, 2520, 2570, 2604, 2728, 2772, 2790, 2827, 2883, 2970, 3069, 3080, 3084, 3255, 3348, 3410, 3465, 3598, 3720, 3780, 3844, 3855, 3906, 3960, 4092, 4158, 4185, 4340, 4620, 4626, 4774, 4805, 5115, 5140, 5208, 5397, 5544, 5580, 5654, 5766, 5859, 5940, 6138, 6168, 6510, 6696, 6727, 6820, 6930, 6939, 7161, 7196, 7560, 7688, 7710, 7812, 7967, 8184, 8316, 8370, 8481, 8649, 8680, 8995, 9207, 9240, 9252, 9548, 9610, 9765, 10230, 10280, 10395, 10571, 10794, 11160, 11308, 11532, 11565, 11718, 11880, 11935, 12276, 13020, 13454, 13640, 13860, 13878, 14135, 14322, 14392, 14415, 15345, 15420, 15624, 15934, 16191, 16632, 16740, 16962, 17298, 17990, 18414, 18504, 19096, 19220, 19530, 19789, 20181, 20460, 20790, 21142, 21483, 21588, 22616, 23064, 23130, 23436, 23870, 23901, 24552, 25443, 25947, 26040, 26908, 26985, 27720, 27756, 28270, 28644, 28830, 29295, 30690, 30840, 31713, 31868, 32382, 33480, 33635, 33924, 34596, 34695, 35805, 35980, 36828, 38440, 39060, 39578, 39835, 40362, 40920, 41580, 42284, 42405, 42966, 43176, 43245, 46035, 46260, 46872, 47740, 47802, 48573, 50886, 51894, 52855, 53816, 53970, 55512, 55769, 56540, 57288, 57660, 58590, 59367, 60543, 61380, 63426, 63736, 64449, 64764, 67270, 67848, 69192, 69390, 71610, 71703, 71960, 73656, 73997, 76329, 78120, 79156, 79670, 80724, 80955, 83160, 84568, 84810, 85932, 86490, 87637, 92070, 92520, 95139, 95480, 95604, 97146, 98945, 100905, 101772, 103788, 105710, 107415, 107940, 111538, 113080, 115320, 117180, 118734, 119505, 121086, 122760, 126852, 127215, 128898, 129528, 129735, 134540, 138780, 143220, 143406, 147994, 152658, 158312, 158565, 159340, 161448, 161910, 167307, 169620, 171864, 172980, 175274, 178101, 181629, 184140, 190278, 191208, 194292, 197890, 201810, 203544, 207576, 211420, 214830, 215109, 215880, 221991, 223076, 234360, 237468, 239010, 242172, 242865, 246977, 253704, 254430, 257796, 259470, 262911, 269080, 277560, 278845, 285417, 286440, 286812, 295988, 296835, 302715, 305316, 317130, 318680, 322245, 323820, 334614, 339240, 345960, 350548, 356202, 358515, 363258, 368280, 369985, 380556, 381645, 388584, 395780, 403620, 422840, 429660, 430218, 438185, 443982, 446152, 474936, 475695, 478020, 484344, 485730, 493954, 501921, 508860, 515592, 518940, 525822, 534303, 557690, 570834, 573624, 591976, 593670, 605430, 610632, 613459, 634260, 644490, 647640, 665973, 669228, 701096, 712404, 717030, 726516, 739970, 740931, 761112, 763290, 788733, 791560, 807240, 836535, 859320, 860436, 876370, 887964, 890505, 908145, 951390, 956040, 971460, 987908, 1003842, 1017720, 1037880, 1051644, 1068606, 1075545, 1109955, 1115380, 1141668, 1187340, 1210860, 1226918, 1234885, 1268520, 1288980, 1314555, 1331946, 1338456, 1424808, 1427085, 1434060, 1453032, 1479940, 1481862, 1505763, 1526580, 1577466, 1673070, 1720872, 1728839, 1752740, 1775928, 1781010, 1816290, 1840377, 1902780, 1942920, 1975816, 1997919, 2007684, 2103288, 2137212, 2151090, 2219910, 2222793, 2230760, 2283336, 2366199, 2374680, 2421720, 2453836, 2469770, 2509605, 2577960, 2629110, 2663892, 2671515, 2716747, 2854170, 2868120, 2959880, 2963724, 3011526, 3053160, 3067295, 3154932, 3329865, 3346140, 3457678, 3505480, 3562020, 3632580, 3680754, 3704655, 3805560, 3943665, 3995838, 4015368, 4274424, 4302180, 4439820, 4445586, 4732398, 4907672, 4939540, 5019210, 5186517, 5258220, 5327784, 5343030, 5433494, 5521131, 5708340, 5927448, 6023052, 6134590, 6309864, 6659730, 6668379, 6692280, 6915356, 7124040, 7265160, 7361508, 7409310, 7528815, 7887330, 7991676, 8150241, 8604360, 8644195, 8879640, 8891172, 9201885, 9464796, 9879080, 9989595, 10038420, 10373034, 10516440, 10686060, 10866988, 11042262, 11113965, 11416680, 11830995, 12046104, 12269180, 13319460, 13336758, 13583735, 13830712, 14723016, 14818620, 15057630, 15559551, 15774660, 15983352, 16300482, 16563393, 17288390, 17782344, 18403770, 18929592, 19017229, 19979190, 20076840, 20746068, 21372120, 21733976, 22084524, 22227930, 23661990, 24450723, 24538360, 25932585, 26638920, 26673516, 27167470, 27605655, 29637240, 30115260, 31119102, 31549320, 32600964, 33126786, 33341895, 34576780, 36807540, 38034458, 39958380, 40751205, 41492136, 44169048, 44455860, 46678653, 47323980, 48901446, 51865170, 53347032, 54334940, 55211310, 57051687, 60230520, 62238204, 65201928, 66253572, 66683790, 69153560, 73352169, 73615080, 76068916, 77797755, 79916760, 81502410, 82816965, 88911720, 93357306, 94647960, 95086145, 97802892, 103730340, 108669880, 110422620, 114103374, 122253615, 124476408, 132507144, 133367580, 146704338, 152137832, 155595510, 163004820, 165633930, 171155061, 186714612, 190172290, 195605784, 207460680, 220845240, 228206748, 233393265, 244507230, 266735160, 285258435, 293408676, 311191020, 326009640, 331267860, 342310122, 366760845, 373429224, 380344580, 456413496, 466786530, 489014460, 513465183, 570516870, 586817352, 622382040, 662535720, 684620244, 733521690, 760689160, 855775305, 933573060, 978028920, 1026930366, 1141033740, 1369240488, 1467043380, 1711550610, 1867146120, 2053860732, 2282067480, 2567325915, 2934086760, 3423101220, 4107721464, 5134651830, 6846202440, 10269303660, 20538607320]

約数ペア:

[(1, 20538607320), (2, 10269303660), (3, 6846202440), (4, 5134651830), (5, 4107721464), (6, 3423101220), (7, 2934086760), (8, 2567325915), (9, 2282067480), (10, 2053860732), (11, 1867146120), (12, 1711550610), (14, 1467043380), (15, 1369240488), (18, 1141033740), (20, 1026930366), (21, 978028920), (22, 933573060), (24, 855775305), (27, 760689160), (28, 733521690), (30, 684620244), (31, 662535720), (33, 622382040), (35, 586817352), (36, 570516870), (40, 513465183), (42, 489014460), (44, 466786530), (45, 456413496), (54, 380344580), (55, 373429224), (56, 366760845), (60, 342310122), (62, 331267860), (63, 326009640), (66, 311191020), (70, 293408676), (72, 285258435), (77, 266735160), (84, 244507230), (88, 233393265), (90, 228206748), (93, 220845240), (99, 207460680), (105, 195605784), (108, 190172290), (110, 186714612), (120, 171155061), (124, 165633930), (126, 163004820), (132, 155595510), (135, 152137832), (140, 146704338), (154, 133367580), (155, 132507144), (165, 124476408), (168, 122253615), (180, 114103374), (186, 110422620), (189, 108669880), (198, 103730340), (210, 97802892), (216, 95086145), (217, 94647960), (220, 93357306), (231, 88911720), (248, 82816965), (252, 81502410), (257, 79916760), (264, 77797755), (270, 76068916), (279, 73615080), (280, 73352169), (297, 69153560), (308, 66683790), (310, 66253572), (315, 65201928), (330, 62238204), (341, 60230520), (360, 57051687), (372, 55211310), (378, 54334940), (385, 53347032), (396, 51865170), (420, 48901446), (434, 47323980), (440, 46678653), (462, 44455860), (465, 44169048), (495, 41492136), (504, 40751205), (514, 39958380), (540, 38034458), (558, 36807540), (594, 34576780), (616, 33341895), (620, 33126786), (630, 32600964), (651, 31549320), (660, 31119102), (682, 30115260), (693, 29637240), (744, 27605655), (756, 27167470), (770, 26673516), (771, 26638920), (792, 25932585), (837, 24538360), (840, 24450723), (868, 23661990), (924, 22227930), (930, 22084524), (945, 21733976), (961, 21372120), (990, 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(31713, 647640), (31868, 644490), (32382, 634260), (33480, 613459), (33635, 610632), (33924, 605430), (34596, 593670), (34695, 591976), (35805, 573624), (35980, 570834), (36828, 557690), (38440, 534303), (39060, 525822), (39578, 518940), (39835, 515592), (40362, 508860), (40920, 501921), (41580, 493954), (42284, 485730), (42405, 484344), (42966, 478020), (43176, 475695), (43245, 474936), (46035, 446152), (46260, 443982), (46872, 438185), (47740, 430218), (47802, 429660), (48573, 422840), (50886, 403620), (51894, 395780), (52855, 388584), (53816, 381645), (53970, 380556), (55512, 369985), (55769, 368280), (56540, 363258), (57288, 358515), (57660, 356202), (58590, 350548), (59367, 345960), (60543, 339240), (61380, 334614), (63426, 323820), (63736, 322245), (64449, 318680), (64764, 317130), (67270, 305316), (67848, 302715), (69192, 296835), (69390, 295988), (71610, 286812), (71703, 286440), (71960, 285417), (73656, 278845), (73997, 277560), (76329, 269080), (78120, 262911), (79156, 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