405993780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42557}}^1$

素因数の和:42625

約数の個数: 72

約数和(自身を含む): 1254780072

約数和(自身を除く): 848786292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 42557, 85114, 127671, 170228, 212785, 255342, 383013, 425570, 510684, 638355, 766026, 851140, 1276710, 1532052, 1915065, 2255521, 2553420, 3830130, 4511042, 6766563, 7660260, 9022084, 11277605, 13533126, 20299689, 22555210, 27066252, 33832815, 40599378, 45110420, 67665630, 81198756, 101498445, 135331260, 202996890, 405993780]

約数ペア:

[(1, 405993780), (2, 202996890), (3, 135331260), (4, 101498445), (5, 81198756), (6, 67665630), (9, 45110420), (10, 40599378), (12, 33832815), (15, 27066252), (18, 22555210), (20, 20299689), (30, 13533126), (36, 11277605), (45, 9022084), (53, 7660260), (60, 6766563), (90, 4511042), (106, 3830130), (159, 2553420), (180, 2255521), (212, 1915065), (265, 1532052), (318, 1276710), (477, 851140), (530, 766026), (636, 638355), (795, 510684), (954, 425570), (1060, 383013), (1590, 255342), (1908, 212785), (2385, 170228), (3180, 127671), (4770, 85114), (9540, 42557)]