30788120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 45416680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 419, 440, 668, 835, 838, 1336, 1670, 1676, 1837, 2095, 3340, 3352, 3674, 4190, 4609, 6680, 7348, 8380, 9185, 9218, 14696, 16760, 18370, 18436, 23045, 36740, 36872, 46090, 69973, 73480, 92180, 139946, 184360, 279892, 349865, 559784, 699730, 769703, 1399460, 1539406, 2798920, 3078812, 3848515, 6157624, 7697030, 15394060, 30788120]

約数ペア:

[(1, 30788120), (2, 15394060), (4, 7697030), (5, 6157624), (8, 3848515), (10, 3078812), (11, 2798920), (20, 1539406), (22, 1399460), (40, 769703), (44, 699730), (55, 559784), (88, 349865), (110, 279892), (167, 184360), (220, 139946), (334, 92180), (419, 73480), (440, 69973), (668, 46090), (835, 36872), (838, 36740), (1336, 23045), (1670, 18436), (1676, 18370), (1837, 16760), (2095, 14696), (3340, 9218), (3352, 9185), (3674, 8380), (4190, 7348), (4609, 6680)]