31886460

素因数分解:

$2^2\times 3^{13}\times 5^1$

素因数の和:48

約数の個数: 84

約数和(自身を含む): 100442328

約数和(自身を除く): 68555868

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 6561, 7290, 8748, 10935, 13122, 14580, 19683, 21870, 26244, 32805, 39366, 43740, 59049, 65610, 78732, 98415, 118098, 131220, 177147, 196830, 236196, 295245, 354294, 393660, 531441, 590490, 708588, 885735, 1062882, 1180980, 1594323, 1771470, 2125764, 2657205, 3188646, 3542940, 5314410, 6377292, 7971615, 10628820, 15943230, 31886460]

約数ペア:

[(1, 31886460), (2, 15943230), (3, 10628820), (4, 7971615), (5, 6377292), (6, 5314410), (9, 3542940), (10, 3188646), (12, 2657205), (15, 2125764), (18, 1771470), (20, 1594323), (27, 1180980), (30, 1062882), (36, 885735), (45, 708588), (54, 590490), (60, 531441), (81, 393660), (90, 354294), (108, 295245), (135, 236196), (162, 196830), (180, 177147), (243, 131220), (270, 118098), (324, 98415), (405, 78732), (486, 65610), (540, 59049), (729, 43740), (810, 39366), (972, 32805), (1215, 26244), (1458, 21870), (1620, 19683), (2187, 14580), (2430, 13122), (2916, 10935), (3645, 8748), (4374, 7290), (4860, 6561)]