69920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 48

約数和(自身を含む): 181440

約数和(自身を除く): 111520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1520, 1748, 1840, 2185, 3040, 3496, 3680, 4370, 6992, 8740, 13984, 17480, 34960, 69920]

約数ペア:

[(1, 69920), (2, 34960), (4, 17480), (5, 13984), (8, 8740), (10, 6992), (16, 4370), (19, 3680), (20, 3496), (23, 3040), (32, 2185), (38, 1840), (40, 1748), (46, 1520), (76, 920), (80, 874), (92, 760), (95, 736), (115, 608), (152, 460), (160, 437), (184, 380), (190, 368), (230, 304)]