21580270920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{7127}}^1$

素因数の和:7804

約数の個数: 192

約数和(自身を含む): 75658302720

約数和(自身を除く): 54078031800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 647, 780, 936, 1170, 1294, 1560, 1941, 2340, 2588, 3235, 3882, 4680, 5176, 5823, 6470, 7127, 7764, 8411, 9705, 11646, 12940, 14254, 15528, 16822, 19410, 21381, 23292, 25233, 25880, 28508, 29115, 33644, 35635, 38820, 42055, 42762, 46584, 50466, 57016, 58230, 64143, 67288, 71270, 75699, 77640, 84110, 85524, 92651, 100932, 106905, 116460, 126165, 128286, 142540, 151398, 168220, 171048, 185302, 201864, 213810, 232920, 252330, 256572, 277953, 285080, 302796, 320715, 336440, 370604, 378495, 427620, 463255, 504660, 513144, 555906, 605592, 641430, 741208, 756990, 833859, 855240, 926510, 1009320, 1111812, 1282860, 1389765, 1513980, 1667718, 1853020, 2223624, 2565720, 2779530, 3027960, 3335436, 3706040, 4169295, 4611169, 5559060, 6670872, 8338590, 9222338, 11118120, 13833507, 16677180, 18444676, 23055845, 27667014, 33354360, 36889352, 41500521, 46111690, 55334028, 59945197, 69167535, 83001042, 92223380, 110668056, 119890394, 138335070, 166002084, 179835591, 184446760, 207502605, 239780788, 276670140, 299725985, 332004168, 359671182, 415005210, 479561576, 539506773, 553340280, 599451970, 719342364, 830010420, 899177955, 1079013546, 1198903940, 1438684728, 1660020840, 1798355910, 2158027092, 2397807880, 2697533865, 3596711820, 4316054184, 5395067730, 7193423640, 10790135460, 21580270920]

約数ペア:

[(1, 21580270920), (2, 10790135460), (3, 7193423640), (4, 5395067730), (5, 4316054184), (6, 3596711820), (8, 2697533865), (9, 2397807880), (10, 2158027092), (12, 1798355910), (13, 1660020840), (15, 1438684728), (18, 1198903940), (20, 1079013546), (24, 899177955), (26, 830010420), (30, 719342364), (36, 599451970), (39, 553340280), (40, 539506773), (45, 479561576), (52, 415005210), (60, 359671182), (65, 332004168), (72, 299725985), (78, 276670140), (90, 239780788), (104, 207502605), (117, 184446760), (120, 179835591), (130, 166002084), (156, 138335070), (180, 119890394), (195, 110668056), (234, 92223380), (260, 83001042), (312, 69167535), (360, 59945197), (390, 55334028), (468, 46111690), (520, 41500521), (585, 36889352), (647, 33354360), (780, 27667014), (936, 23055845), (1170, 18444676), (1294, 16677180), (1560, 13833507), (1941, 11118120), (2340, 9222338), (2588, 8338590), (3235, 6670872), (3882, 5559060), (4680, 4611169), (5176, 4169295), (5823, 3706040), (6470, 3335436), (7127, 3027960), (7764, 2779530), (8411, 2565720), (9705, 2223624), (11646, 1853020), (12940, 1667718), (14254, 1513980), (15528, 1389765), (16822, 1282860), (19410, 1111812), (21381, 1009320), (23292, 926510), (25233, 855240), (25880, 833859), (28508, 756990), (29115, 741208), (33644, 641430), (35635, 605592), (38820, 555906), (42055, 513144), (42762, 504660), (46584, 463255), (50466, 427620), (57016, 378495), (58230, 370604), (64143, 336440), (67288, 320715), (71270, 302796), (75699, 285080), (77640, 277953), (84110, 256572), (85524, 252330), (92651, 232920), (100932, 213810), (106905, 201864), (116460, 185302), (126165, 171048), (128286, 168220), (142540, 151398)]