7881280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2239}}^1$

素因数の和:2267

約数の個数: 56

約数和(自身を含む): 20482560

約数和(自身を除く): 12601280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 2239, 3520, 4478, 8956, 11195, 17912, 22390, 24629, 35824, 44780, 49258, 71648, 89560, 98516, 123145, 143296, 179120, 197032, 246290, 358240, 394064, 492580, 716480, 788128, 985160, 1576256, 1970320, 3940640, 7881280]

約数ペア:

[(1, 7881280), (2, 3940640), (4, 1970320), (5, 1576256), (8, 985160), (10, 788128), (11, 716480), (16, 492580), (20, 394064), (22, 358240), (32, 246290), (40, 197032), (44, 179120), (55, 143296), (64, 123145), (80, 98516), (88, 89560), (110, 71648), (160, 49258), (176, 44780), (220, 35824), (320, 24629), (352, 22390), (440, 17912), (704, 11195), (880, 8956), (1760, 4478), (2239, 3520)]