126078420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161639}}^1$

素因数の和:161664

約数の個数: 48

約数和(自身を含む): 380177280

約数和(自身を除く): 254098860

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, 161639, 323278, 484917, 646556, 808195, 969834, 1616390, 1939668, 2101307, 2424585, 3232780, 4202614, 4849170, 6303921, 8405228, 9698340, 10506535, 12607842, 21013070, 25215684, 31519605, 42026140, 63039210, 126078420]

約数ペア:

[(1, 126078420), (2, 63039210), (3, 42026140), (4, 31519605), (5, 25215684), (6, 21013070), (10, 12607842), (12, 10506535), (13, 9698340), (15, 8405228), (20, 6303921), (26, 4849170), (30, 4202614), (39, 3232780), (52, 2424585), (60, 2101307), (65, 1939668), (78, 1616390), (130, 969834), (156, 808195), (195, 646556), (260, 484917), (390, 323278), (780, 161639)]