638666040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5322217}}^1$

素因数の和:5322231

約数の個数: 32

約数和(自身を含む): 1915998480

約数和(自身を除く): 1277332440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5322217, 10644434, 15966651, 21288868, 26611085, 31933302, 42577736, 53222170, 63866604, 79833255, 106444340, 127733208, 159666510, 212888680, 319333020, 638666040]

約数ペア:

[(1, 638666040), (2, 319333020), (3, 212888680), (4, 159666510), (5, 127733208), (6, 106444340), (8, 79833255), (10, 63866604), (12, 53222170), (15, 42577736), (20, 31933302), (24, 26611085), (30, 21288868), (40, 15966651), (60, 10644434), (120, 5322217)]