1280513600

素因数分解:

$2^6\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1901}}^1$

素因数の和:2344

約数の個数: 84

約数和(自身を含む): 3160009428

約数和(自身を除く): 1879495828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 421, 800, 842, 1600, 1684, 1901, 2105, 3368, 3802, 4210, 6736, 7604, 8420, 9505, 10525, 13472, 15208, 16840, 19010, 21050, 26944, 30416, 33680, 38020, 42100, 47525, 60832, 67360, 76040, 84200, 95050, 121664, 134720, 152080, 168400, 190100, 304160, 336800, 380200, 608320, 673600, 760400, 800321, 1520800, 1600642, 3041600, 3201284, 4001605, 6402568, 8003210, 12805136, 16006420, 20008025, 25610272, 32012840, 40016050, 51220544, 64025680, 80032100, 128051360, 160064200, 256102720, 320128400, 640256800, 1280513600]

約数ペア:

[(1, 1280513600), (2, 640256800), (4, 320128400), (5, 256102720), (8, 160064200), (10, 128051360), (16, 80032100), (20, 64025680), (25, 51220544), (32, 40016050), (40, 32012840), (50, 25610272), (64, 20008025), (80, 16006420), (100, 12805136), (160, 8003210), (200, 6402568), (320, 4001605), (400, 3201284), (421, 3041600), (800, 1600642), (842, 1520800), (1600, 800321), (1684, 760400), (1901, 673600), (2105, 608320), (3368, 380200), (3802, 336800), (4210, 304160), (6736, 190100), (7604, 168400), (8420, 152080), (9505, 134720), (10525, 121664), (13472, 95050), (15208, 84200), (16840, 76040), (19010, 67360), (21050, 60832), (26944, 47525), (30416, 42100), (33680, 38020)]