15581340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 47764080

約数和(自身を除く): 32182740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 809, 963, 1070, 1284, 1605, 1618, 1926, 2140, 2427, 3210, 3236, 3852, 4045, 4815, 4854, 6420, 7281, 8090, 9630, 9708, 12135, 14562, 16180, 19260, 24270, 29124, 36405, 48540, 72810, 86563, 145620, 173126, 259689, 346252, 432815, 519378, 779067, 865630, 1038756, 1298445, 1558134, 1731260, 2596890, 3116268, 3895335, 5193780, 7790670, 15581340]

約数ペア:

[(1, 15581340), (2, 7790670), (3, 5193780), (4, 3895335), (5, 3116268), (6, 2596890), (9, 1731260), (10, 1558134), (12, 1298445), (15, 1038756), (18, 865630), (20, 779067), (30, 519378), (36, 432815), (45, 346252), (60, 259689), (90, 173126), (107, 145620), (180, 86563), (214, 72810), (321, 48540), (428, 36405), (535, 29124), (642, 24270), (809, 19260), (963, 16180), (1070, 14562), (1284, 12135), (1605, 9708), (1618, 9630), (1926, 8090), (2140, 7281), (2427, 6420), (3210, 4854), (3236, 4815), (3852, 4045)]