15461920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 37435608

約数和(自身を除く): 21973688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2357, 3280, 4714, 6560, 9428, 11785, 18856, 23570, 37712, 47140, 75424, 94280, 96637, 188560, 193274, 377120, 386548, 483185, 773096, 966370, 1546192, 1932740, 3092384, 3865480, 7730960, 15461920]

約数ペア:

[(1, 15461920), (2, 7730960), (4, 3865480), (5, 3092384), (8, 1932740), (10, 1546192), (16, 966370), (20, 773096), (32, 483185), (40, 386548), (41, 377120), (80, 193274), (82, 188560), (160, 96637), (164, 94280), (205, 75424), (328, 47140), (410, 37712), (656, 23570), (820, 18856), (1312, 11785), (1640, 9428), (2357, 6560), (3280, 4714)]