68809280

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2247

約数の個数: 56

約数和(自身を含む): 165552120

約数和(自身を除く): 96742840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2129, 3232, 4040, 4258, 6464, 8080, 8516, 10645, 16160, 17032, 21290, 32320, 34064, 42580, 68128, 85160, 136256, 170320, 215029, 340640, 430058, 681280, 860116, 1075145, 1720232, 2150290, 3440464, 4300580, 6880928, 8601160, 13761856, 17202320, 34404640, 68809280]

約数ペア:

[(1, 68809280), (2, 34404640), (4, 17202320), (5, 13761856), (8, 8601160), (10, 6880928), (16, 4300580), (20, 3440464), (32, 2150290), (40, 1720232), (64, 1075145), (80, 860116), (101, 681280), (160, 430058), (202, 340640), (320, 215029), (404, 170320), (505, 136256), (808, 85160), (1010, 68128), (1616, 42580), (2020, 34064), (2129, 32320), (3232, 21290), (4040, 17032), (4258, 16160), (6464, 10645), (8080, 8516)]