15243280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14657}}^1$

素因数の和:14683

約数の個数: 40

約数和(自身を含む): 38169432

約数和(自身を除く): 22926152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14657, 29314, 58628, 73285, 117256, 146570, 190541, 234512, 293140, 381082, 586280, 762164, 952705, 1172560, 1524328, 1905410, 3048656, 3810820, 7621640, 15243280]

約数ペア:

[(1, 15243280), (2, 7621640), (4, 3810820), (5, 3048656), (8, 1905410), (10, 1524328), (13, 1172560), (16, 952705), (20, 762164), (26, 586280), (40, 381082), (52, 293140), (65, 234512), (80, 190541), (104, 146570), (130, 117256), (208, 73285), (260, 58628), (520, 29314), (1040, 14657)]