257544240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56479}}^1$

素因数の和:56514

約数の個数: 80

約数和(自身を含む): 840422400

約数和(自身を除く): 582878160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 56479, 112958, 169437, 225916, 282395, 338874, 451832, 564790, 677748, 847185, 903664, 1073101, 1129580, 1355496, 1694370, 2146202, 2259160, 2710992, 3219303, 3388740, 4292404, 4518320, 5365505, 6438606, 6777480, 8584808, 10731010, 12877212, 13554960, 16096515, 17169616, 21462020, 25754424, 32193030, 42924040, 51508848, 64386060, 85848080, 128772120, 257544240]

約数ペア:

[(1, 257544240), (2, 128772120), (3, 85848080), (4, 64386060), (5, 51508848), (6, 42924040), (8, 32193030), (10, 25754424), (12, 21462020), (15, 17169616), (16, 16096515), (19, 13554960), (20, 12877212), (24, 10731010), (30, 8584808), (38, 6777480), (40, 6438606), (48, 5365505), (57, 4518320), (60, 4292404), (76, 3388740), (80, 3219303), (95, 2710992), (114, 2259160), (120, 2146202), (152, 1694370), (190, 1355496), (228, 1129580), (240, 1073101), (285, 903664), (304, 847185), (380, 677748), (456, 564790), (570, 451832), (760, 338874), (912, 282395), (1140, 225916), (1520, 169437), (2280, 112958), (4560, 56479)]