127571320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{733}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 303876000

約数和(自身を除く): 176304680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 733, 760, 916, 1145, 1466, 1832, 2290, 2932, 3665, 4351, 4580, 5864, 7330, 8702, 9160, 13927, 14660, 17404, 21755, 27854, 29320, 34808, 43510, 55708, 69635, 87020, 111416, 139270, 167857, 174040, 278540, 335714, 557080, 671428, 839285, 1342856, 1678570, 3189283, 3357140, 6378566, 6714280, 12757132, 15946415, 25514264, 31892830, 63785660, 127571320]

約数ペア:

[(1, 127571320), (2, 63785660), (4, 31892830), (5, 25514264), (8, 15946415), (10, 12757132), (19, 6714280), (20, 6378566), (38, 3357140), (40, 3189283), (76, 1678570), (95, 1342856), (152, 839285), (190, 671428), (229, 557080), (380, 335714), (458, 278540), (733, 174040), (760, 167857), (916, 139270), (1145, 111416), (1466, 87020), (1832, 69635), (2290, 55708), (2932, 43510), (3665, 34808), (4351, 29320), (4580, 27854), (5864, 21755), (7330, 17404), (8702, 14660), (9160, 13927)]