680040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1889}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 2211300

約数和(自身を除く): 1531260

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, 1889, 3778, 5667, 7556, 9445, 11334, 15112, 17001, 18890, 22668, 28335, 34002, 37780, 45336, 56670, 68004, 75560, 85005, 113340, 136008, 170010, 226680, 340020, 680040]

約数ペア:

[(1, 680040), (2, 340020), (3, 226680), (4, 170010), (5, 136008), (6, 113340), (8, 85005), (9, 75560), (10, 68004), (12, 56670), (15, 45336), (18, 37780), (20, 34002), (24, 28335), (30, 22668), (36, 18890), (40, 17001), (45, 15112), (60, 11334), (72, 9445), (90, 7556), (120, 5667), (180, 3778), (360, 1889)]