85151820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109169}}^1$

素因数の和:109194

約数の個数: 48

約数和(自身を含む): 256767840

約数和(自身を除く): 171616020

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, 109169, 218338, 327507, 436676, 545845, 655014, 1091690, 1310028, 1419197, 1637535, 2183380, 2838394, 3275070, 4257591, 5676788, 6550140, 7095985, 8515182, 14191970, 17030364, 21287955, 28383940, 42575910, 85151820]

約数ペア:

[(1, 85151820), (2, 42575910), (3, 28383940), (4, 21287955), (5, 17030364), (6, 14191970), (10, 8515182), (12, 7095985), (13, 6550140), (15, 5676788), (20, 4257591), (26, 3275070), (30, 2838394), (39, 2183380), (52, 1637535), (60, 1419197), (65, 1310028), (78, 1091690), (130, 655014), (156, 545845), (195, 436676), (260, 327507), (390, 218338), (780, 109169)]