66179960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21487}}^1$

素因数の和:21516

約数の個数: 64

約数和(自身を含む): 185656320

約数和(自身を除く): 119476360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21487, 42974, 85948, 107435, 150409, 171896, 214870, 236357, 300818, 429740, 472714, 601636, 752045, 859480, 945428, 1181785, 1203272, 1504090, 1654499, 1890856, 2363570, 3008180, 3308998, 4727140, 6016360, 6617996, 8272495, 9454280, 13235992, 16544990, 33089980, 66179960]

約数ペア:

[(1, 66179960), (2, 33089980), (4, 16544990), (5, 13235992), (7, 9454280), (8, 8272495), (10, 6617996), (11, 6016360), (14, 4727140), (20, 3308998), (22, 3008180), (28, 2363570), (35, 1890856), (40, 1654499), (44, 1504090), (55, 1203272), (56, 1181785), (70, 945428), (77, 859480), (88, 752045), (110, 601636), (140, 472714), (154, 429740), (220, 300818), (280, 236357), (308, 214870), (385, 171896), (440, 150409), (616, 107435), (770, 85948), (1540, 42974), (3080, 21487)]