80668380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103421}}^1$

素因数の和:103446

約数の個数: 48

約数和(自身を含む): 243248544

約数和(自身を除く): 162580164

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, 103421, 206842, 310263, 413684, 517105, 620526, 1034210, 1241052, 1344473, 1551315, 2068420, 2688946, 3102630, 4033419, 5377892, 6205260, 6722365, 8066838, 13444730, 16133676, 20167095, 26889460, 40334190, 80668380]

約数ペア:

[(1, 80668380), (2, 40334190), (3, 26889460), (4, 20167095), (5, 16133676), (6, 13444730), (10, 8066838), (12, 6722365), (13, 6205260), (15, 5377892), (20, 4033419), (26, 3102630), (30, 2688946), (39, 2068420), (52, 1551315), (60, 1344473), (65, 1241052), (78, 1034210), (130, 620526), (156, 517105), (195, 413684), (260, 310263), (390, 206842), (780, 103421)]