140412720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83579}}^1$

素因数の和:83602

約数の個数: 80

約数和(自身を含む): 497468160

約数和(自身を除く): 357055440

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, 83579, 167158, 250737, 334316, 417895, 501474, 585053, 668632, 835790, 1002948, 1170106, 1253685, 1337264, 1671580, 1755159, 2005896, 2340212, 2507370, 2925265, 3343160, 3510318, 4011792, 4680424, 5014740, 5850530, 6686320, 7020636, 8775795, 9360848, 10029480, 11701060, 14041272, 17551590, 20058960, 23402120, 28082544, 35103180, 46804240, 70206360, 140412720]

約数ペア:

[(1, 140412720), (2, 70206360), (3, 46804240), (4, 35103180), (5, 28082544), (6, 23402120), (7, 20058960), (8, 17551590), (10, 14041272), (12, 11701060), (14, 10029480), (15, 9360848), (16, 8775795), (20, 7020636), (21, 6686320), (24, 5850530), (28, 5014740), (30, 4680424), (35, 4011792), (40, 3510318), (42, 3343160), (48, 2925265), (56, 2507370), (60, 2340212), (70, 2005896), (80, 1755159), (84, 1671580), (105, 1337264), (112, 1253685), (120, 1170106), (140, 1002948), (168, 835790), (210, 668632), (240, 585053), (280, 501474), (336, 417895), (420, 334316), (560, 250737), (840, 167158), (1680, 83579)]