69984640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9941}}^1$

素因数の和:9971

約数の個数: 64

約数和(自身を含む): 182535120

約数和(自身を除く): 112550480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9941, 19882, 39764, 49705, 79528, 99410, 109351, 159056, 198820, 218702, 318112, 397640, 437404, 546755, 636224, 795280, 874808, 1093510, 1272448, 1590560, 1749616, 2187020, 3181120, 3499232, 4374040, 6362240, 6998464, 8748080, 13996928, 17496160, 34992320, 69984640]

約数ペア:

[(1, 69984640), (2, 34992320), (4, 17496160), (5, 13996928), (8, 8748080), (10, 6998464), (11, 6362240), (16, 4374040), (20, 3499232), (22, 3181120), (32, 2187020), (40, 1749616), (44, 1590560), (55, 1272448), (64, 1093510), (80, 874808), (88, 795280), (110, 636224), (128, 546755), (160, 437404), (176, 397640), (220, 318112), (320, 218702), (352, 198820), (440, 159056), (640, 109351), (704, 99410), (880, 79528), (1408, 49705), (1760, 39764), (3520, 19882), (7040, 9941)]