68530240

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:995

約数の個数: 56

約数和(自身を含む): 163933632

約数和(自身を除く): 95403392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 647, 662, 1294, 1324, 1655, 2588, 2648, 3235, 3310, 5176, 5296, 6470, 6620, 10352, 10592, 12940, 13240, 20704, 21184, 25880, 26480, 41408, 51760, 52960, 103520, 105920, 207040, 214157, 428314, 856628, 1070785, 1713256, 2141570, 3426512, 4283140, 6853024, 8566280, 13706048, 17132560, 34265120, 68530240]

約数ペア:

[(1, 68530240), (2, 34265120), (4, 17132560), (5, 13706048), (8, 8566280), (10, 6853024), (16, 4283140), (20, 3426512), (32, 2141570), (40, 1713256), (64, 1070785), (80, 856628), (160, 428314), (320, 214157), (331, 207040), (647, 105920), (662, 103520), (1294, 52960), (1324, 51760), (1655, 41408), (2588, 26480), (2648, 25880), (3235, 21184), (3310, 20704), (5176, 13240), (5296, 12940), (6470, 10592), (6620, 10352)]