31397220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19381}}^1$

素因数の和:19402

約数の個数: 60

約数和(自身を含む): 98499324

約数和(自身を除く): 67102104

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, 19381, 38762, 58143, 77524, 96905, 116286, 174429, 193810, 232572, 290715, 348858, 387620, 523287, 581430, 697716, 872145, 1046574, 1162860, 1569861, 1744290, 2093148, 2616435, 3139722, 3488580, 5232870, 6279444, 7849305, 10465740, 15698610, 31397220]

約数ペア:

[(1, 31397220), (2, 15698610), (3, 10465740), (4, 7849305), (5, 6279444), (6, 5232870), (9, 3488580), (10, 3139722), (12, 2616435), (15, 2093148), (18, 1744290), (20, 1569861), (27, 1162860), (30, 1046574), (36, 872145), (45, 697716), (54, 581430), (60, 523287), (81, 387620), (90, 348858), (108, 290715), (135, 232572), (162, 193810), (180, 174429), (270, 116286), (324, 96905), (405, 77524), (540, 58143), (810, 38762), (1620, 19381)]