641056960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105437}}^1$

素因数の和:105473

約数の個数: 56

約数和(自身を含む): 1606875120

約数和(自身を除く): 965818160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 105437, 210874, 421748, 527185, 843496, 1054370, 1686992, 2003303, 2108740, 3373984, 4006606, 4217480, 6747968, 8013212, 8434960, 10016515, 16026424, 16869920, 20033030, 32052848, 33739840, 40066060, 64105696, 80132120, 128211392, 160264240, 320528480, 641056960]

約数ペア:

[(1, 641056960), (2, 320528480), (4, 160264240), (5, 128211392), (8, 80132120), (10, 64105696), (16, 40066060), (19, 33739840), (20, 32052848), (32, 20033030), (38, 16869920), (40, 16026424), (64, 10016515), (76, 8434960), (80, 8013212), (95, 6747968), (152, 4217480), (160, 4006606), (190, 3373984), (304, 2108740), (320, 2003303), (380, 1686992), (608, 1054370), (760, 843496), (1216, 527185), (1520, 421748), (3040, 210874), (6080, 105437)]