15964360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 38184660

約数和(自身を除く): 22220300

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1381, 1445, 2312, 2762, 2890, 5524, 5780, 6905, 11048, 11560, 13810, 23477, 27620, 46954, 55240, 93908, 117385, 187816, 234770, 399109, 469540, 798218, 939080, 1596436, 1995545, 3192872, 3991090, 7982180, 15964360]

約数ペア:

[(1, 15964360), (2, 7982180), (4, 3991090), (5, 3192872), (8, 1995545), (10, 1596436), (17, 939080), (20, 798218), (34, 469540), (40, 399109), (68, 234770), (85, 187816), (136, 117385), (170, 93908), (289, 55240), (340, 46954), (578, 27620), (680, 23477), (1156, 13810), (1381, 11560), (1445, 11048), (2312, 6905), (2762, 5780), (2890, 5524)]