1312620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2412948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 167, 262, 334, 393, 501, 524, 655, 668, 786, 835, 1002, 1310, 1572, 1670, 1965, 2004, 2505, 2620, 3340, 3930, 5010, 7860, 10020, 21877, 43754, 65631, 87508, 109385, 131262, 218770, 262524, 328155, 437540, 656310, 1312620]

約数ペア:

[(1, 1312620), (2, 656310), (3, 437540), (4, 328155), (5, 262524), (6, 218770), (10, 131262), (12, 109385), (15, 87508), (20, 65631), (30, 43754), (60, 21877), (131, 10020), (167, 7860), (262, 5010), (334, 3930), (393, 3340), (501, 2620), (524, 2505), (655, 2004), (668, 1965), (786, 1670), (835, 1572), (1002, 1310)]