15281440

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 36401400

約数和(自身を除く): 21119960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 641, 745, 1192, 1282, 1490, 2384, 2564, 2980, 3205, 4768, 5128, 5960, 6410, 10256, 11920, 12820, 20512, 23840, 25640, 51280, 95509, 102560, 191018, 382036, 477545, 764072, 955090, 1528144, 1910180, 3056288, 3820360, 7640720, 15281440]

約数ペア:

[(1, 15281440), (2, 7640720), (4, 3820360), (5, 3056288), (8, 1910180), (10, 1528144), (16, 955090), (20, 764072), (32, 477545), (40, 382036), (80, 191018), (149, 102560), (160, 95509), (298, 51280), (596, 25640), (641, 23840), (745, 20512), (1192, 12820), (1282, 11920), (1490, 10256), (2384, 6410), (2564, 5960), (2980, 5128), (3205, 4768)]