72256960

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{647}}^1$

素因数の和:1013

約数の個数: 56

約数和(自身を含む): 172821600

約数和(自身を除く): 100564640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 647, 698, 1294, 1396, 1745, 2588, 2792, 3235, 3490, 5176, 5584, 6470, 6980, 10352, 11168, 12940, 13960, 20704, 22336, 25880, 27920, 41408, 51760, 55840, 103520, 111680, 207040, 225803, 451606, 903212, 1129015, 1806424, 2258030, 3612848, 4516060, 7225696, 9032120, 14451392, 18064240, 36128480, 72256960]

約数ペア:

[(1, 72256960), (2, 36128480), (4, 18064240), (5, 14451392), (8, 9032120), (10, 7225696), (16, 4516060), (20, 3612848), (32, 2258030), (40, 1806424), (64, 1129015), (80, 903212), (160, 451606), (320, 225803), (349, 207040), (647, 111680), (698, 103520), (1294, 55840), (1396, 51760), (1745, 41408), (2588, 27920), (2792, 25880), (3235, 22336), (3490, 20704), (5176, 13960), (5584, 12940), (6470, 11168), (6980, 10352)]