1640872890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49409}}^1$

素因数の和:49469

約数の個数: 80

約数和(自身を含む): 4519829160

約数和(自身を除く): 2878956270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 615, 738, 810, 1107, 1230, 1845, 2214, 3321, 3690, 5535, 6642, 11070, 16605, 33210, 49409, 98818, 148227, 247045, 296454, 444681, 494090, 741135, 889362, 1334043, 1482270, 2025769, 2223405, 2668086, 4002129, 4051538, 4446810, 6077307, 6670215, 8004258, 10128845, 12154614, 13340430, 18231921, 20010645, 20257690, 30386535, 36463842, 40021290, 54695763, 60773070, 91159605, 109391526, 164087289, 182319210, 273478815, 328174578, 546957630, 820436445, 1640872890]

約数ペア:

[(1, 1640872890), (2, 820436445), (3, 546957630), (5, 328174578), (6, 273478815), (9, 182319210), (10, 164087289), (15, 109391526), (18, 91159605), (27, 60773070), (30, 54695763), (41, 40021290), (45, 36463842), (54, 30386535), (81, 20257690), (82, 20010645), (90, 18231921), (123, 13340430), (135, 12154614), (162, 10128845), (205, 8004258), (246, 6670215), (270, 6077307), (369, 4446810), (405, 4051538), (410, 4002129), (615, 2668086), (738, 2223405), (810, 2025769), (1107, 1482270), (1230, 1334043), (1845, 889362), (2214, 741135), (3321, 494090), (3690, 444681), (5535, 296454), (6642, 247045), (11070, 148227), (16605, 98818), (33210, 49409)]