137640720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{81929}}^1$

素因数の和:81952

約数の個数: 80

約数和(自身を含む): 487647360

約数和(自身を除く): 350006640

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, 81929, 163858, 245787, 327716, 409645, 491574, 573503, 655432, 819290, 983148, 1147006, 1228935, 1310864, 1638580, 1720509, 1966296, 2294012, 2457870, 2867515, 3277160, 3441018, 3932592, 4588024, 4915740, 5735030, 6554320, 6882036, 8602545, 9176048, 9831480, 11470060, 13764072, 17205090, 19662960, 22940120, 27528144, 34410180, 45880240, 68820360, 137640720]

約数ペア:

[(1, 137640720), (2, 68820360), (3, 45880240), (4, 34410180), (5, 27528144), (6, 22940120), (7, 19662960), (8, 17205090), (10, 13764072), (12, 11470060), (14, 9831480), (15, 9176048), (16, 8602545), (20, 6882036), (21, 6554320), (24, 5735030), (28, 4915740), (30, 4588024), (35, 3932592), (40, 3441018), (42, 3277160), (48, 2867515), (56, 2457870), (60, 2294012), (70, 1966296), (80, 1720509), (84, 1638580), (105, 1310864), (112, 1228935), (120, 1147006), (140, 983148), (168, 819290), (210, 655432), (240, 573503), (280, 491574), (336, 409645), (420, 327716), (560, 245787), (840, 163858), (1680, 81929)]