1985728560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{266899}}^1$

素因数の和:266946

約数の個数: 80

約数和(自身を含む): 6354355200

約数和(自身を除く): 4368626640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 266899, 533798, 800697, 1067596, 1334495, 1601394, 2135192, 2668990, 3202788, 4003485, 4270384, 5337980, 6405576, 8006970, 8273869, 10675960, 12811152, 16013940, 16547738, 21351920, 24821607, 32027880, 33095476, 41369345, 49643214, 64055760, 66190952, 82738690, 99286428, 124108035, 132381904, 165477380, 198572856, 248216070, 330954760, 397145712, 496432140, 661909520, 992864280, 1985728560]

約数ペア:

[(1, 1985728560), (2, 992864280), (3, 661909520), (4, 496432140), (5, 397145712), (6, 330954760), (8, 248216070), (10, 198572856), (12, 165477380), (15, 132381904), (16, 124108035), (20, 99286428), (24, 82738690), (30, 66190952), (31, 64055760), (40, 49643214), (48, 41369345), (60, 33095476), (62, 32027880), (80, 24821607), (93, 21351920), (120, 16547738), (124, 16013940), (155, 12811152), (186, 10675960), (240, 8273869), (248, 8006970), (310, 6405576), (372, 5337980), (465, 4270384), (496, 4003485), (620, 3202788), (744, 2668990), (930, 2135192), (1240, 1601394), (1488, 1334495), (1860, 1067596), (2480, 800697), (3720, 533798), (7440, 266899)]