1245780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{769}}^1$

素因数の和:790

約数の個数: 60

約数和(自身を含む): 3913140

約数和(自身を除く): 2667360

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, 769, 810, 1538, 1620, 2307, 3076, 3845, 4614, 6921, 7690, 9228, 11535, 13842, 15380, 20763, 23070, 27684, 34605, 41526, 46140, 62289, 69210, 83052, 103815, 124578, 138420, 207630, 249156, 311445, 415260, 622890, 1245780]

約数ペア:

[(1, 1245780), (2, 622890), (3, 415260), (4, 311445), (5, 249156), (6, 207630), (9, 138420), (10, 124578), (12, 103815), (15, 83052), (18, 69210), (20, 62289), (27, 46140), (30, 41526), (36, 34605), (45, 27684), (54, 23070), (60, 20763), (81, 15380), (90, 13842), (108, 11535), (135, 9228), (162, 7690), (180, 6921), (270, 4614), (324, 3845), (405, 3076), (540, 2307), (769, 1620), (810, 1538)]