68903080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 161441280

約数和(自身を除く): 92538200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 307, 310, 362, 614, 620, 724, 905, 1228, 1240, 1448, 1535, 1810, 2456, 3070, 3620, 5611, 6140, 7240, 9517, 11222, 12280, 19034, 22444, 28055, 38068, 44888, 47585, 55567, 56110, 76136, 95170, 111134, 112220, 190340, 222268, 224440, 277835, 380680, 444536, 555670, 1111340, 1722577, 2222680, 3445154, 6890308, 8612885, 13780616, 17225770, 34451540, 68903080]

約数ペア:

[(1, 68903080), (2, 34451540), (4, 17225770), (5, 13780616), (8, 8612885), (10, 6890308), (20, 3445154), (31, 2222680), (40, 1722577), (62, 1111340), (124, 555670), (155, 444536), (181, 380680), (248, 277835), (307, 224440), (310, 222268), (362, 190340), (614, 112220), (620, 111134), (724, 95170), (905, 76136), (1228, 56110), (1240, 55567), (1448, 47585), (1535, 44888), (1810, 38068), (2456, 28055), (3070, 22444), (3620, 19034), (5611, 12280), (6140, 11222), (7240, 9517)]