123328380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{293639}}^1$

素因数の和:293658

約数の個数: 48

約数和(自身を含む): 394652160

約数和(自身を除く): 271323780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 293639, 587278, 880917, 1174556, 1468195, 1761834, 2055473, 2936390, 3523668, 4110946, 4404585, 5872780, 6166419, 8221892, 8809170, 10277365, 12332838, 17618340, 20554730, 24665676, 30832095, 41109460, 61664190, 123328380]

約数ペア:

[(1, 123328380), (2, 61664190), (3, 41109460), (4, 30832095), (5, 24665676), (6, 20554730), (7, 17618340), (10, 12332838), (12, 10277365), (14, 8809170), (15, 8221892), (20, 6166419), (21, 5872780), (28, 4404585), (30, 4110946), (35, 3523668), (42, 2936390), (60, 2055473), (70, 1761834), (84, 1468195), (105, 1174556), (140, 880917), (210, 587278), (420, 293639)]