641975880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58789}}^1$

素因数の和:58823

約数の個数: 128

約数和(自身を含む): 2370412800

約数和(自身を除く): 1728436920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 58789, 117578, 176367, 235156, 293945, 352734, 411523, 470312, 587890, 705468, 764257, 823046, 881835, 1175780, 1234569, 1410936, 1528514, 1646092, 1763670, 2057615, 2292771, 2351560, 2469138, 3057028, 3292184, 3527340, 3821285, 4115230, 4585542, 4938276, 5349799, 6114056, 6172845, 7054680, 7642570, 8230460, 9171084, 9876552, 10699598, 11463855, 12345690, 15285140, 16049397, 16460920, 18342168, 21399196, 22927710, 24691380, 26748995, 30570280, 32098794, 42798392, 45855420, 49382760, 53497990, 64197588, 80246985, 91710840, 106995980, 128395176, 160493970, 213991960, 320987940, 641975880]

約数ペア:

[(1, 641975880), (2, 320987940), (3, 213991960), (4, 160493970), (5, 128395176), (6, 106995980), (7, 91710840), (8, 80246985), (10, 64197588), (12, 53497990), (13, 49382760), (14, 45855420), (15, 42798392), (20, 32098794), (21, 30570280), (24, 26748995), (26, 24691380), (28, 22927710), (30, 21399196), (35, 18342168), (39, 16460920), (40, 16049397), (42, 15285140), (52, 12345690), (56, 11463855), (60, 10699598), (65, 9876552), (70, 9171084), (78, 8230460), (84, 7642570), (91, 7054680), (104, 6172845), (105, 6114056), (120, 5349799), (130, 4938276), (140, 4585542), (156, 4115230), (168, 3821285), (182, 3527340), (195, 3292184), (210, 3057028), (260, 2469138), (273, 2351560), (280, 2292771), (312, 2057615), (364, 1763670), (390, 1646092), (420, 1528514), (455, 1410936), (520, 1234569), (546, 1175780), (728, 881835), (780, 823046), (840, 764257), (910, 705468), (1092, 587890), (1365, 470312), (1560, 411523), (1820, 352734), (2184, 293945), (2730, 235156), (3640, 176367), (5460, 117578), (10920, 58789)]