72875480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29867}}^1$

素因数の和:29939

約数の個数: 32

約数和(自身を含む): 166663440

約数和(自身を除く): 93787960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29867, 59734, 119468, 149335, 238936, 298670, 597340, 1194680, 1821887, 3643774, 7287548, 9109435, 14575096, 18218870, 36437740, 72875480]

約数ペア:

[(1, 72875480), (2, 36437740), (4, 18218870), (5, 14575096), (8, 9109435), (10, 7287548), (20, 3643774), (40, 1821887), (61, 1194680), (122, 597340), (244, 298670), (305, 238936), (488, 149335), (610, 119468), (1220, 59734), (2440, 29867)]