27977820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35869}}^1$

素因数の和:35894

約数の個数: 48

約数和(自身を含む): 84366240

約数和(自身を除く): 56388420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 35869, 71738, 107607, 143476, 179345, 215214, 358690, 430428, 466297, 538035, 717380, 932594, 1076070, 1398891, 1865188, 2152140, 2331485, 2797782, 4662970, 5595564, 6994455, 9325940, 13988910, 27977820]

約数ペア:

[(1, 27977820), (2, 13988910), (3, 9325940), (4, 6994455), (5, 5595564), (6, 4662970), (10, 2797782), (12, 2331485), (13, 2152140), (15, 1865188), (20, 1398891), (26, 1076070), (30, 932594), (39, 717380), (52, 538035), (60, 466297), (65, 430428), (78, 358690), (130, 215214), (156, 179345), (195, 143476), (260, 107607), (390, 71738), (780, 35869)]