31167780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74209}}^1$

素因数の和:74228

約数の個数: 48

約数和(自身を含む): 99738240

約数和(自身を除く): 68570460

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, 74209, 148418, 222627, 296836, 371045, 445254, 519463, 742090, 890508, 1038926, 1113135, 1484180, 1558389, 2077852, 2226270, 2597315, 3116778, 4452540, 5194630, 6233556, 7791945, 10389260, 15583890, 31167780]

約数ペア:

[(1, 31167780), (2, 15583890), (3, 10389260), (4, 7791945), (5, 6233556), (6, 5194630), (7, 4452540), (10, 3116778), (12, 2597315), (14, 2226270), (15, 2077852), (20, 1558389), (21, 1484180), (28, 1113135), (30, 1038926), (35, 890508), (42, 742090), (60, 519463), (70, 445254), (84, 371045), (105, 296836), (140, 222627), (210, 148418), (420, 74209)]