1321760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 3411072

約数和(自身を除く): 2089312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 751, 880, 1502, 1760, 3004, 3755, 6008, 7510, 8261, 12016, 15020, 16522, 24032, 30040, 33044, 41305, 60080, 66088, 82610, 120160, 132176, 165220, 264352, 330440, 660880, 1321760]

約数ペア:

[(1, 1321760), (2, 660880), (4, 330440), (5, 264352), (8, 165220), (10, 132176), (11, 120160), (16, 82610), (20, 66088), (22, 60080), (32, 41305), (40, 33044), (44, 30040), (55, 24032), (80, 16522), (88, 15020), (110, 12016), (160, 8261), (176, 7510), (220, 6008), (352, 3755), (440, 3004), (751, 1760), (880, 1502)]