12788220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1627}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 36102528

約数和(自身を除く): 23314308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1627, 1965, 2620, 3254, 3930, 4881, 6508, 7860, 8135, 9762, 16270, 19524, 24405, 32540, 48810, 97620, 213137, 426274, 639411, 852548, 1065685, 1278822, 2131370, 2557644, 3197055, 4262740, 6394110, 12788220]

約数ペア:

[(1, 12788220), (2, 6394110), (3, 4262740), (4, 3197055), (5, 2557644), (6, 2131370), (10, 1278822), (12, 1065685), (15, 852548), (20, 639411), (30, 426274), (60, 213137), (131, 97620), (262, 48810), (393, 32540), (524, 24405), (655, 19524), (786, 16270), (1310, 9762), (1572, 8135), (1627, 7860), (1965, 6508), (2620, 4881), (3254, 3930)]