315666960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{187897}}^1$

素因数の和:187920

約数の個数: 80

約数和(自身を含む): 1118368896

約数和(自身を除く): 802701936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 187897, 375794, 563691, 751588, 939485, 1127382, 1315279, 1503176, 1878970, 2254764, 2630558, 2818455, 3006352, 3757940, 3945837, 4509528, 5261116, 5636910, 6576395, 7515880, 7891674, 9019056, 10522232, 11273820, 13152790, 15031760, 15783348, 19729185, 21044464, 22547640, 26305580, 31566696, 39458370, 45095280, 52611160, 63133392, 78916740, 105222320, 157833480, 315666960]

約数ペア:

[(1, 315666960), (2, 157833480), (3, 105222320), (4, 78916740), (5, 63133392), (6, 52611160), (7, 45095280), (8, 39458370), (10, 31566696), (12, 26305580), (14, 22547640), (15, 21044464), (16, 19729185), (20, 15783348), (21, 15031760), (24, 13152790), (28, 11273820), (30, 10522232), (35, 9019056), (40, 7891674), (42, 7515880), (48, 6576395), (56, 5636910), (60, 5261116), (70, 4509528), (80, 3945837), (84, 3757940), (105, 3006352), (112, 2818455), (120, 2630558), (140, 2254764), (168, 1878970), (210, 1503176), (240, 1315279), (280, 1127382), (336, 939485), (420, 751588), (560, 563691), (840, 375794), (1680, 187897)]