15757140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37517}}^1$

素因数の和:37536

約数の個数: 48

約数和(自身を含む): 50424192

約数和(自身を除く): 34667052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37517, 75034, 112551, 150068, 187585, 225102, 262619, 375170, 450204, 525238, 562755, 750340, 787857, 1050476, 1125510, 1313095, 1575714, 2251020, 2626190, 3151428, 3939285, 5252380, 7878570, 15757140]

約数ペア:

[(1, 15757140), (2, 7878570), (3, 5252380), (4, 3939285), (5, 3151428), (6, 2626190), (7, 2251020), (10, 1575714), (12, 1313095), (14, 1125510), (15, 1050476), (20, 787857), (21, 750340), (28, 562755), (30, 525238), (35, 450204), (42, 375170), (60, 262619), (70, 225102), (84, 187585), (105, 150068), (140, 112551), (210, 75034), (420, 37517)]