66198680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 160172640

約数和(自身を除く): 93973960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 1453, 2278, 2680, 2906, 4556, 5695, 5812, 7265, 9112, 11390, 11624, 14530, 22780, 24701, 29060, 45560, 49402, 58120, 97351, 98804, 123505, 194702, 197608, 247010, 389404, 486755, 494020, 778808, 973510, 988040, 1654967, 1947020, 3309934, 3894040, 6619868, 8274835, 13239736, 16549670, 33099340, 66198680]

約数ペア:

[(1, 66198680), (2, 33099340), (4, 16549670), (5, 13239736), (8, 8274835), (10, 6619868), (17, 3894040), (20, 3309934), (34, 1947020), (40, 1654967), (67, 988040), (68, 973510), (85, 778808), (134, 494020), (136, 486755), (170, 389404), (268, 247010), (335, 197608), (340, 194702), (536, 123505), (670, 98804), (680, 97351), (1139, 58120), (1340, 49402), (1453, 45560), (2278, 29060), (2680, 24701), (2906, 22780), (4556, 14530), (5695, 11624), (5812, 11390), (7265, 9112)]