15387420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{761}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 43269408

約数和(自身を除く): 27881988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 761, 1011, 1348, 1522, 1685, 2022, 2283, 3044, 3370, 3805, 4044, 4566, 5055, 6740, 7610, 9132, 10110, 11415, 15220, 20220, 22830, 45660, 256457, 512914, 769371, 1025828, 1282285, 1538742, 2564570, 3077484, 3846855, 5129140, 7693710, 15387420]

約数ペア:

[(1, 15387420), (2, 7693710), (3, 5129140), (4, 3846855), (5, 3077484), (6, 2564570), (10, 1538742), (12, 1282285), (15, 1025828), (20, 769371), (30, 512914), (60, 256457), (337, 45660), (674, 22830), (761, 20220), (1011, 15220), (1348, 11415), (1522, 10110), (1685, 9132), (2022, 7610), (2283, 6740), (3044, 5055), (3370, 4566), (3805, 4044)]