331348360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 910103040

約数和(自身を除く): 578754680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 151, 170, 238, 280, 302, 340, 461, 476, 595, 604, 680, 755, 922, 952, 1057, 1190, 1208, 1510, 1844, 2114, 2305, 2380, 2567, 3020, 3227, 3688, 4228, 4610, 4760, 5134, 5285, 6040, 6454, 7837, 8456, 9220, 10268, 10570, 12835, 12908, 15674, 16135, 17969, 18440, 20536, 21140, 25670, 25816, 31348, 32270, 35938, 39185, 42280, 51340, 54859, 62696, 64540, 69611, 71876, 78370, 89845, 102680, 109718, 129080, 139222, 143752, 156740, 179690, 219436, 274295, 278444, 313480, 348055, 359380, 438872, 487277, 548590, 556888, 696110, 718760, 974554, 1097180, 1183387, 1392220, 1949108, 2194360, 2366774, 2436385, 2784440, 3898216, 4733548, 4872770, 5916935, 8283709, 9467096, 9745540, 11833870, 16567418, 19491080, 23667740, 33134836, 41418545, 47335480, 66269672, 82837090, 165674180, 331348360]

約数ペア:

[(1, 331348360), (2, 165674180), (4, 82837090), (5, 66269672), (7, 47335480), (8, 41418545), (10, 33134836), (14, 23667740), (17, 19491080), (20, 16567418), (28, 11833870), (34, 9745540), (35, 9467096), (40, 8283709), (56, 5916935), (68, 4872770), (70, 4733548), (85, 3898216), (119, 2784440), (136, 2436385), (140, 2366774), (151, 2194360), (170, 1949108), (238, 1392220), (280, 1183387), (302, 1097180), (340, 974554), (461, 718760), (476, 696110), (595, 556888), (604, 548590), (680, 487277), (755, 438872), (922, 359380), (952, 348055), (1057, 313480), (1190, 278444), (1208, 274295), (1510, 219436), (1844, 179690), (2114, 156740), (2305, 143752), (2380, 139222), (2567, 129080), (3020, 109718), (3227, 102680), (3688, 89845), (4228, 78370), (4610, 71876), (4760, 69611), (5134, 64540), (5285, 62696), (6040, 54859), (6454, 51340), (7837, 42280), (8456, 39185), (9220, 35938), (10268, 32270), (10570, 31348), (12835, 25816), (12908, 25670), (15674, 21140), (16135, 20536), (17969, 18440)]