53538420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68639}}^1$

素因数の和:68664

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 107902860

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, 68639, 137278, 205917, 274556, 343195, 411834, 686390, 823668, 892307, 1029585, 1372780, 1784614, 2059170, 2676921, 3569228, 4118340, 4461535, 5353842, 8923070, 10707684, 13384605, 17846140, 26769210, 53538420]

約数ペア:

[(1, 53538420), (2, 26769210), (3, 17846140), (4, 13384605), (5, 10707684), (6, 8923070), (10, 5353842), (12, 4461535), (13, 4118340), (15, 3569228), (20, 2676921), (26, 2059170), (30, 1784614), (39, 1372780), (52, 1029585), (60, 892307), (65, 823668), (78, 686390), (130, 411834), (156, 343195), (195, 274556), (260, 205917), (390, 137278), (780, 68639)]