85518420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109639}}^1$

素因数の和:109664

約数の個数: 48

約数和(自身を含む): 257873280

約数和(自身を除く): 172354860

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, 109639, 219278, 328917, 438556, 548195, 657834, 1096390, 1315668, 1425307, 1644585, 2192780, 2850614, 3289170, 4275921, 5701228, 6578340, 7126535, 8551842, 14253070, 17103684, 21379605, 28506140, 42759210, 85518420]

約数ペア:

[(1, 85518420), (2, 42759210), (3, 28506140), (4, 21379605), (5, 17103684), (6, 14253070), (10, 8551842), (12, 7126535), (13, 6578340), (15, 5701228), (20, 4275921), (26, 3289170), (30, 2850614), (39, 2192780), (52, 1644585), (60, 1425307), (65, 1315668), (78, 1096390), (130, 657834), (156, 548195), (195, 438556), (260, 328917), (390, 219278), (780, 109639)]