1331120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2377}}^1$

素因数の和:2397

約数の個数: 40

約数和(自身を含む): 3538464

約数和(自身を除く): 2207344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2377, 4754, 9508, 11885, 16639, 19016, 23770, 33278, 38032, 47540, 66556, 83195, 95080, 133112, 166390, 190160, 266224, 332780, 665560, 1331120]

約数ペア:

[(1, 1331120), (2, 665560), (4, 332780), (5, 266224), (7, 190160), (8, 166390), (10, 133112), (14, 95080), (16, 83195), (20, 66556), (28, 47540), (35, 38032), (40, 33278), (56, 23770), (70, 19016), (80, 16639), (112, 11885), (140, 9508), (280, 4754), (560, 2377)]