20788915680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:960

約数の個数: 480

約数和(自身を含む): 79600951584

約数和(自身を除く): 58812035904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 163, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 326, 351, 360, 390, 405, 416, 432, 468, 480, 489, 520, 540, 585, 624, 648, 652, 702, 720, 757, 780, 810, 815, 864, 936, 978, 1040, 1053, 1080, 1170, 1248, 1296, 1304, 1404, 1440, 1467, 1514, 1560, 1620, 1630, 1755, 1872, 1956, 2080, 2106, 2119, 2160, 2271, 2340, 2445, 2592, 2608, 2808, 2934, 3028, 3120, 3240, 3260, 3510, 3744, 3785, 3912, 4212, 4238, 4320, 4401, 4542, 4680, 4890, 5216, 5265, 5616, 5868, 6056, 6240, 6357, 6480, 6520, 6813, 7020, 7335, 7570, 7824, 8424, 8476, 8802, 9084, 9360, 9780, 9841, 10530, 10595, 11232, 11355, 11736, 12112, 12714, 12960, 13040, 13203, 13626, 14040, 14670, 15140, 15648, 16848, 16952, 17604, 18168, 18720, 19071, 19560, 19682, 20439, 21060, 21190, 22005, 22710, 23472, 24224, 25428, 26080, 26406, 27252, 28080, 29340, 29523, 30280, 31785, 33696, 33904, 34065, 35208, 36336, 38142, 39120, 39364, 40878, 42120, 42380, 44010, 45420, 46944, 49205, 50856, 52812, 54504, 56160, 57213, 58680, 59046, 60560, 61317, 63570, 66015, 67808, 68130, 70416, 72672, 76284, 78240, 78728, 81756, 84240, 84760, 88020, 88569, 90840, 95355, 98410, 101712, 102195, 105624, 109008, 114426, 117360, 118092, 121120, 122634, 123391, 127140, 132030, 136260, 140832, 147615, 152568, 157456, 163512, 168480, 169520, 171639, 176040, 177138, 181680, 190710, 196820, 203424, 204390, 211248, 218016, 228852, 234720, 236184, 245268, 246782, 254280, 264060, 265707, 272520, 286065, 295230, 305136, 306585, 314912, 327024, 339040, 343278, 352080, 354276, 363360, 370173, 381420, 393640, 408780, 422496, 442845, 457704, 472368, 490536, 493564, 508560, 528120, 531414, 545040, 572130, 590460, 610272, 613170, 616955, 654048, 686556, 704160, 708552, 740346, 762840, 787280, 797121, 817560, 858195, 885690, 915408, 944736, 981072, 987128, 1017120, 1056240, 1062828, 1090080, 1110519, 1144260, 1180920, 1226340, 1233910, 1328535, 1373112, 1417104, 1480692, 1525680, 1574560, 1594242, 1604083, 1635120, 1716390, 1771380, 1830816, 1850865, 1962144, 1974256, 2112480, 2125656, 2221038, 2288520, 2361840, 2452680, 2467820, 2657070, 2746224, 2834208, 2961384, 3051360, 3188484, 3208166, 3270240, 3331557, 3432780, 3542760, 3701730, 3948512, 3985605, 4251312, 4442076, 4577040, 4723680, 4812249, 4905360, 4935640, 5314140, 5492448, 5552595, 5922768, 6376968, 6416332, 6663114, 6865560, 7085520, 7403460, 7971210, 8020415, 8502624, 8884152, 9154080, 9624498, 9810720, 9871280, 9994671, 10628280, 11105190, 11845536, 12753936, 12832664, 13326228, 13731120, 14171040, 14436747, 14806920, 15942420, 16040830, 16657785, 17768304, 19248996, 19742560, 19989342, 21256560, 22210380, 24061245, 25507872, 25665328, 26652456, 27462240, 28873494, 29613840, 31884840, 32081660, 33315570, 35536608, 38497992, 39978684, 42513120, 43310241, 44420760, 48122490, 49973355, 51330656, 53304912, 57746988, 59227680, 63769680, 64163320, 66631140, 72183735, 76995984, 79957368, 86620482, 88841520, 96244980, 99946710, 106609824, 115493976, 127539360, 128326640, 129930723, 133262280, 144367470, 153991968, 159914736, 173240964, 177683040, 192489960, 199893420, 216551205, 230987952, 256653280, 259861446, 266524560, 288734940, 319829472, 346481928, 384979920, 399786840, 433102410, 461975904, 519722892, 533049120, 577469880, 649653615, 692963856, 769959840, 799573680, 866204820, 1039445784, 1154939760, 1299307230, 1385927712, 1599147360, 1732409640, 2078891568, 2309879520, 2598614460, 3464819280, 4157783136, 5197228920, 6929638560, 10394457840, 20788915680]

約数ペア:

[(1, 20788915680), (2, 10394457840), (3, 6929638560), (4, 5197228920), (5, 4157783136), (6, 3464819280), (8, 2598614460), (9, 2309879520), (10, 2078891568), (12, 1732409640), (13, 1599147360), (15, 1385927712), (16, 1299307230), (18, 1154939760), (20, 1039445784), (24, 866204820), (26, 799573680), (27, 769959840), (30, 692963856), (32, 649653615), (36, 577469880), (39, 533049120), (40, 519722892), (45, 461975904), (48, 433102410), (52, 399786840), (54, 384979920), (60, 346481928), (65, 319829472), (72, 288734940), (78, 266524560), (80, 259861446), (81, 256653280), (90, 230987952), (96, 216551205), (104, 199893420), (108, 192489960), (117, 177683040), (120, 173240964), (130, 159914736), (135, 153991968), (144, 144367470), (156, 133262280), (160, 129930723), (162, 128326640), (163, 127539360), (180, 115493976), (195, 106609824), (208, 99946710), (216, 96244980), (234, 88841520), (240, 86620482), (260, 79957368), (270, 76995984), (288, 72183735), (312, 66631140), (324, 64163320), (326, 63769680), (351, 59227680), (360, 57746988), (390, 53304912), (405, 51330656), (416, 49973355), (432, 48122490), (468, 44420760), (480, 43310241), (489, 42513120), (520, 39978684), (540, 38497992), (585, 35536608), (624, 33315570), (648, 32081660), (652, 31884840), (702, 29613840), (720, 28873494), (757, 27462240), (780, 26652456), (810, 25665328), (815, 25507872), (864, 24061245), (936, 22210380), (978, 21256560), (1040, 19989342), (1053, 19742560), (1080, 19248996), (1170, 17768304), (1248, 16657785), (1296, 16040830), (1304, 15942420), (1404, 14806920), (1440, 14436747), (1467, 14171040), (1514, 13731120), (1560, 13326228), (1620, 12832664), (1630, 12753936), (1755, 11845536), (1872, 11105190), (1956, 10628280), (2080, 9994671), (2106, 9871280), (2119, 9810720), (2160, 9624498), (2271, 9154080), (2340, 8884152), (2445, 8502624), (2592, 8020415), (2608, 7971210), (2808, 7403460), (2934, 7085520), (3028, 6865560), (3120, 6663114), (3240, 6416332), (3260, 6376968), (3510, 5922768), (3744, 5552595), (3785, 5492448), (3912, 5314140), (4212, 4935640), (4238, 4905360), (4320, 4812249), (4401, 4723680), (4542, 4577040), (4680, 4442076), (4890, 4251312), (5216, 3985605), (5265, 3948512), (5616, 3701730), (5868, 3542760), (6056, 3432780), (6240, 3331557), (6357, 3270240), (6480, 3208166), (6520, 3188484), (6813, 3051360), (7020, 2961384), (7335, 2834208), (7570, 2746224), (7824, 2657070), (8424, 2467820), (8476, 2452680), (8802, 2361840), (9084, 2288520), (9360, 2221038), (9780, 2125656), (9841, 2112480), (10530, 1974256), (10595, 1962144), (11232, 1850865), (11355, 1830816), (11736, 1771380), (12112, 1716390), (12714, 1635120), (12960, 1604083), (13040, 1594242), (13203, 1574560), (13626, 1525680), (14040, 1480692), (14670, 1417104), (15140, 1373112), (15648, 1328535), (16848, 1233910), (16952, 1226340), (17604, 1180920), (18168, 1144260), (18720, 1110519), (19071, 1090080), (19560, 1062828), (19682, 1056240), (20439, 1017120), (21060, 987128), (21190, 981072), (22005, 944736), (22710, 915408), (23472, 885690), (24224, 858195), (25428, 817560), (26080, 797121), (26406, 787280), (27252, 762840), (28080, 740346), (29340, 708552), (29523, 704160), (30280, 686556), (31785, 654048), (33696, 616955), (33904, 613170), (34065, 610272), (35208, 590460), (36336, 572130), (38142, 545040), (39120, 531414), (39364, 528120), (40878, 508560), (42120, 493564), (42380, 490536), (44010, 472368), (45420, 457704), (46944, 442845), (49205, 422496), (50856, 408780), (52812, 393640), (54504, 381420), (56160, 370173), (57213, 363360), (58680, 354276), (59046, 352080), (60560, 343278), (61317, 339040), (63570, 327024), (66015, 314912), (67808, 306585), (68130, 305136), (70416, 295230), (72672, 286065), (76284, 272520), (78240, 265707), (78728, 264060), (81756, 254280), (84240, 246782), (84760, 245268), (88020, 236184), (88569, 234720), (90840, 228852), (95355, 218016), (98410, 211248), (101712, 204390), (102195, 203424), (105624, 196820), (109008, 190710), (114426, 181680), (117360, 177138), (118092, 176040), (121120, 171639), (122634, 169520), (123391, 168480), (127140, 163512), (132030, 157456), (136260, 152568), (140832, 147615)]