853815920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4423}}^1$

素因数の和:4582

約数の個数: 80

約数和(自身を含む): 2106531840

約数和(自身を除く): 1252715920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1270, 1520, 2032, 2413, 2540, 4423, 4826, 5080, 8846, 9652, 10160, 12065, 17692, 19304, 22115, 24130, 35384, 38608, 44230, 48260, 70768, 84037, 88460, 96520, 168074, 176920, 193040, 336148, 353840, 420185, 561721, 672296, 840370, 1123442, 1344592, 1680740, 2246884, 2808605, 3361480, 4493768, 5617210, 6722960, 8987536, 10672699, 11234420, 21345398, 22468840, 42690796, 44937680, 53363495, 85381592, 106726990, 170763184, 213453980, 426907960, 853815920]

約数ペア:

[(1, 853815920), (2, 426907960), (4, 213453980), (5, 170763184), (8, 106726990), (10, 85381592), (16, 53363495), (19, 44937680), (20, 42690796), (38, 22468840), (40, 21345398), (76, 11234420), (80, 10672699), (95, 8987536), (127, 6722960), (152, 5617210), (190, 4493768), (254, 3361480), (304, 2808605), (380, 2246884), (508, 1680740), (635, 1344592), (760, 1123442), (1016, 840370), (1270, 672296), (1520, 561721), (2032, 420185), (2413, 353840), (2540, 336148), (4423, 193040), (4826, 176920), (5080, 168074), (8846, 96520), (9652, 88460), (10160, 84037), (12065, 70768), (17692, 48260), (19304, 44230), (22115, 38608), (24130, 35384)]