64628080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^2$

素因数の和:566

約数の個数: 60

約数和(自身を含む): 164527416

約数和(自身を除く): 99899336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 271, 440, 542, 880, 1084, 1355, 2168, 2710, 2981, 4336, 5420, 5962, 10840, 11924, 14905, 21680, 23848, 29810, 47696, 59620, 73441, 119240, 146882, 238480, 293764, 367205, 587528, 734410, 807851, 1175056, 1468820, 1615702, 2937640, 3231404, 4039255, 5875280, 6462808, 8078510, 12925616, 16157020, 32314040, 64628080]

約数ペア:

[(1, 64628080), (2, 32314040), (4, 16157020), (5, 12925616), (8, 8078510), (10, 6462808), (11, 5875280), (16, 4039255), (20, 3231404), (22, 2937640), (40, 1615702), (44, 1468820), (55, 1175056), (80, 807851), (88, 734410), (110, 587528), (176, 367205), (220, 293764), (271, 238480), (440, 146882), (542, 119240), (880, 73441), (1084, 59620), (1355, 47696), (2168, 29810), (2710, 23848), (2981, 21680), (4336, 14905), (5420, 11924), (5962, 10840)]