15306280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 23184920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 809, 860, 946, 1618, 1720, 1892, 2365, 3236, 3784, 4045, 4730, 6472, 8090, 8899, 9460, 16180, 17798, 18920, 32360, 34787, 35596, 44495, 69574, 71192, 88990, 139148, 173935, 177980, 278296, 347870, 355960, 382657, 695740, 765314, 1391480, 1530628, 1913285, 3061256, 3826570, 7653140, 15306280]

約数ペア:

[(1, 15306280), (2, 7653140), (4, 3826570), (5, 3061256), (8, 1913285), (10, 1530628), (11, 1391480), (20, 765314), (22, 695740), (40, 382657), (43, 355960), (44, 347870), (55, 278296), (86, 177980), (88, 173935), (110, 139148), (172, 88990), (215, 71192), (220, 69574), (344, 44495), (430, 35596), (440, 34787), (473, 32360), (809, 18920), (860, 17798), (946, 16180), (1618, 9460), (1720, 8899), (1892, 8090), (2365, 6472), (3236, 4730), (3784, 4045)]