315792880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{303647}}^1$

素因数の和:303673

約数の個数: 40

約数和(自身を含む): 790699392

約数和(自身を除く): 474906512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 303647, 607294, 1214588, 1518235, 2429176, 3036470, 3947411, 4858352, 6072940, 7894822, 12145880, 15789644, 19737055, 24291760, 31579288, 39474110, 63158576, 78948220, 157896440, 315792880]

約数ペア:

[(1, 315792880), (2, 157896440), (4, 78948220), (5, 63158576), (8, 39474110), (10, 31579288), (13, 24291760), (16, 19737055), (20, 15789644), (26, 12145880), (40, 7894822), (52, 6072940), (65, 4858352), (80, 3947411), (104, 3036470), (130, 2429176), (208, 1518235), (260, 1214588), (520, 607294), (1040, 303647)]