1231120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 3124800

約数和(自身を除く): 1893680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1399, 2798, 5596, 6995, 11192, 13990, 15389, 22384, 27980, 30778, 55960, 61556, 76945, 111920, 123112, 153890, 246224, 307780, 615560, 1231120]

約数ペア:

[(1, 1231120), (2, 615560), (4, 307780), (5, 246224), (8, 153890), (10, 123112), (11, 111920), (16, 76945), (20, 61556), (22, 55960), (40, 30778), (44, 27980), (55, 22384), (80, 15389), (88, 13990), (110, 11192), (176, 6995), (220, 5596), (440, 2798), (880, 1399)]