31146780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74159}}^1$

素因数の和:74178

約数の個数: 48

約数和(自身を含む): 99671040

約数和(自身を除く): 68524260

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, 74159, 148318, 222477, 296636, 370795, 444954, 519113, 741590, 889908, 1038226, 1112385, 1483180, 1557339, 2076452, 2224770, 2595565, 3114678, 4449540, 5191130, 6229356, 7786695, 10382260, 15573390, 31146780]

約数ペア:

[(1, 31146780), (2, 15573390), (3, 10382260), (4, 7786695), (5, 6229356), (6, 5191130), (7, 4449540), (10, 3114678), (12, 2595565), (14, 2224770), (15, 2076452), (20, 1557339), (21, 1483180), (28, 1112385), (30, 1038226), (35, 889908), (42, 741590), (60, 519113), (70, 444954), (84, 370795), (105, 296636), (140, 222477), (210, 148318), (420, 74159)]