72585280

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2207

約数の個数: 56

約数和(自身を含む): 174513240

約数和(自身を除く): 101927960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2081, 2180, 3488, 4162, 4360, 6976, 8324, 8720, 10405, 16648, 17440, 20810, 33296, 34880, 41620, 66592, 83240, 133184, 166480, 226829, 332960, 453658, 665920, 907316, 1134145, 1814632, 2268290, 3629264, 4536580, 7258528, 9073160, 14517056, 18146320, 36292640, 72585280]

約数ペア:

[(1, 72585280), (2, 36292640), (4, 18146320), (5, 14517056), (8, 9073160), (10, 7258528), (16, 4536580), (20, 3629264), (32, 2268290), (40, 1814632), (64, 1134145), (80, 907316), (109, 665920), (160, 453658), (218, 332960), (320, 226829), (436, 166480), (545, 133184), (872, 83240), (1090, 66592), (1744, 41620), (2081, 34880), (2180, 33296), (3488, 20810), (4162, 17440), (4360, 16648), (6976, 10405), (8324, 8720)]