87240720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51929}}^1$

素因数の和:51952

約数の個数: 80

約数和(自身を含む): 309087360

約数和(自身を除く): 221846640

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, 51929, 103858, 155787, 207716, 259645, 311574, 363503, 415432, 519290, 623148, 727006, 778935, 830864, 1038580, 1090509, 1246296, 1454012, 1557870, 1817515, 2077160, 2181018, 2492592, 2908024, 3115740, 3635030, 4154320, 4362036, 5452545, 5816048, 6231480, 7270060, 8724072, 10905090, 12462960, 14540120, 17448144, 21810180, 29080240, 43620360, 87240720]

約数ペア:

[(1, 87240720), (2, 43620360), (3, 29080240), (4, 21810180), (5, 17448144), (6, 14540120), (7, 12462960), (8, 10905090), (10, 8724072), (12, 7270060), (14, 6231480), (15, 5816048), (16, 5452545), (20, 4362036), (21, 4154320), (24, 3635030), (28, 3115740), (30, 2908024), (35, 2492592), (40, 2181018), (42, 2077160), (48, 1817515), (56, 1557870), (60, 1454012), (70, 1246296), (80, 1090509), (84, 1038580), (105, 830864), (112, 778935), (120, 727006), (140, 623148), (168, 519290), (210, 415432), (240, 363503), (280, 311574), (336, 259645), (420, 207716), (560, 155787), (840, 103858), (1680, 51929)]