66489080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33923}}^1$

素因数の和:33948

約数の個数: 48

約数和(自身を含む): 174030120

約数和(自身を除く): 107541040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33923, 67846, 135692, 169615, 237461, 271384, 339230, 474922, 678460, 949844, 1187305, 1356920, 1662227, 1899688, 2374610, 3324454, 4749220, 6648908, 8311135, 9498440, 13297816, 16622270, 33244540, 66489080]

約数ペア:

[(1, 66489080), (2, 33244540), (4, 16622270), (5, 13297816), (7, 9498440), (8, 8311135), (10, 6648908), (14, 4749220), (20, 3324454), (28, 2374610), (35, 1899688), (40, 1662227), (49, 1356920), (56, 1187305), (70, 949844), (98, 678460), (140, 474922), (196, 339230), (245, 271384), (280, 237461), (392, 169615), (490, 135692), (980, 67846), (1960, 33923)]