66821820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85669}}^1$

素因数の和:85694

約数の個数: 48

約数和(自身を含む): 201495840

約数和(自身を除く): 134674020

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, 85669, 171338, 257007, 342676, 428345, 514014, 856690, 1028028, 1113697, 1285035, 1713380, 2227394, 2570070, 3341091, 4454788, 5140140, 5568485, 6682182, 11136970, 13364364, 16705455, 22273940, 33410910, 66821820]

約数ペア:

[(1, 66821820), (2, 33410910), (3, 22273940), (4, 16705455), (5, 13364364), (6, 11136970), (10, 6682182), (12, 5568485), (13, 5140140), (15, 4454788), (20, 3341091), (26, 2570070), (30, 2227394), (39, 1713380), (52, 1285035), (60, 1113697), (65, 1028028), (78, 856690), (130, 514014), (156, 428345), (195, 342676), (260, 257007), (390, 171338), (780, 85669)]