1640685780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1012769}}^1$

素因数の和:1012790

約数の個数: 60

約数和(自身を含む): 5146897140

約数和(自身を除く): 3506211360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1012769, 2025538, 3038307, 4051076, 5063845, 6076614, 9114921, 10127690, 12153228, 15191535, 18229842, 20255380, 27344763, 30383070, 36459684, 45574605, 54689526, 60766140, 82034289, 91149210, 109379052, 136723815, 164068578, 182298420, 273447630, 328137156, 410171445, 546895260, 820342890, 1640685780]

約数ペア:

[(1, 1640685780), (2, 820342890), (3, 546895260), (4, 410171445), (5, 328137156), (6, 273447630), (9, 182298420), (10, 164068578), (12, 136723815), (15, 109379052), (18, 91149210), (20, 82034289), (27, 60766140), (30, 54689526), (36, 45574605), (45, 36459684), (54, 30383070), (60, 27344763), (81, 20255380), (90, 18229842), (108, 15191535), (135, 12153228), (162, 10127690), (180, 9114921), (270, 6076614), (324, 5063845), (405, 4051076), (540, 3038307), (810, 2025538), (1620, 1012769)]