15538640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 39664128

約数和(自身を除く): 24125488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 223, 260, 268, 335, 446, 520, 536, 670, 871, 892, 1040, 1072, 1115, 1340, 1742, 1784, 2230, 2680, 2899, 3484, 3568, 4355, 4460, 5360, 5798, 6968, 8710, 8920, 11596, 13936, 14495, 14941, 17420, 17840, 23192, 28990, 29882, 34840, 46384, 57980, 59764, 69680, 74705, 115960, 119528, 149410, 194233, 231920, 239056, 298820, 388466, 597640, 776932, 971165, 1195280, 1553864, 1942330, 3107728, 3884660, 7769320, 15538640]

約数ペア:

[(1, 15538640), (2, 7769320), (4, 3884660), (5, 3107728), (8, 1942330), (10, 1553864), (13, 1195280), (16, 971165), (20, 776932), (26, 597640), (40, 388466), (52, 298820), (65, 239056), (67, 231920), (80, 194233), (104, 149410), (130, 119528), (134, 115960), (208, 74705), (223, 69680), (260, 59764), (268, 57980), (335, 46384), (446, 34840), (520, 29882), (536, 28990), (670, 23192), (871, 17840), (892, 17420), (1040, 14941), (1072, 14495), (1115, 13936), (1340, 11596), (1742, 8920), (1784, 8710), (2230, 6968), (2680, 5798), (2899, 5360), (3484, 4460), (3568, 4355)]