205250040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570139}}^1$

素因数の和:570156

約数の個数: 48

約数和(自身を含む): 667063800

約数和(自身を除く): 461813760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570139, 1140278, 1710417, 2280556, 2850695, 3420834, 4561112, 5131251, 5701390, 6841668, 8552085, 10262502, 11402780, 13683336, 17104170, 20525004, 22805560, 25656255, 34208340, 41050008, 51312510, 68416680, 102625020, 205250040]

約数ペア:

[(1, 205250040), (2, 102625020), (3, 68416680), (4, 51312510), (5, 41050008), (6, 34208340), (8, 25656255), (9, 22805560), (10, 20525004), (12, 17104170), (15, 13683336), (18, 11402780), (20, 10262502), (24, 8552085), (30, 6841668), (36, 5701390), (40, 5131251), (45, 4561112), (60, 3420834), (72, 2850695), (90, 2280556), (120, 1710417), (180, 1140278), (360, 570139)]