51680040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1787}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 155770560

約数和(自身を除く): 104090520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1787, 1928, 2410, 2892, 3574, 3615, 4820, 5361, 5784, 7148, 7230, 8935, 9640, 10722, 14296, 14460, 17870, 21444, 26805, 28920, 35740, 42888, 53610, 71480, 107220, 214440, 430667, 861334, 1292001, 1722668, 2153335, 2584002, 3445336, 4306670, 5168004, 6460005, 8613340, 10336008, 12920010, 17226680, 25840020, 51680040]

約数ペア:

[(1, 51680040), (2, 25840020), (3, 17226680), (4, 12920010), (5, 10336008), (6, 8613340), (8, 6460005), (10, 5168004), (12, 4306670), (15, 3445336), (20, 2584002), (24, 2153335), (30, 1722668), (40, 1292001), (60, 861334), (120, 430667), (241, 214440), (482, 107220), (723, 71480), (964, 53610), (1205, 42888), (1446, 35740), (1787, 28920), (1928, 26805), (2410, 21444), (2892, 17870), (3574, 14460), (3615, 14296), (4820, 10722), (5361, 9640), (5784, 8935), (7148, 7230)]