87182420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 209986560

約数和(自身を除く): 122804140

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 61, 65, 92, 115, 122, 130, 230, 239, 244, 260, 299, 305, 460, 478, 598, 610, 793, 956, 1195, 1196, 1220, 1403, 1495, 1586, 2390, 2806, 2990, 3107, 3172, 3965, 4780, 5497, 5612, 5980, 6214, 7015, 7930, 10994, 12428, 14030, 14579, 15535, 15860, 18239, 21988, 27485, 28060, 29158, 31070, 36478, 54970, 58316, 62140, 71461, 72895, 72956, 91195, 109940, 142922, 145790, 182390, 189527, 285844, 291580, 335317, 357305, 364780, 379054, 670634, 714610, 758108, 947635, 1341268, 1429220, 1676585, 1895270, 3353170, 3790540, 4359121, 6706340, 8718242, 17436484, 21795605, 43591210, 87182420]

約数ペア:

[(1, 87182420), (2, 43591210), (4, 21795605), (5, 17436484), (10, 8718242), (13, 6706340), (20, 4359121), (23, 3790540), (26, 3353170), (46, 1895270), (52, 1676585), (61, 1429220), (65, 1341268), (92, 947635), (115, 758108), (122, 714610), (130, 670634), (230, 379054), (239, 364780), (244, 357305), (260, 335317), (299, 291580), (305, 285844), (460, 189527), (478, 182390), (598, 145790), (610, 142922), (793, 109940), (956, 91195), (1195, 72956), (1196, 72895), (1220, 71461), (1403, 62140), (1495, 58316), (1586, 54970), (2390, 36478), (2806, 31070), (2990, 29158), (3107, 28060), (3172, 27485), (3965, 21988), (4780, 18239), (5497, 15860), (5612, 15535), (5980, 14579), (6214, 14030), (7015, 12428), (7930, 10994)]