31812760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16231}}^1$

素因数の和:16256

約数の個数: 48

約数和(自身を含む): 83270160

約数和(自身を除く): 51457400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16231, 32462, 64924, 81155, 113617, 129848, 162310, 227234, 324620, 454468, 568085, 649240, 795319, 908936, 1136170, 1590638, 2272340, 3181276, 3976595, 4544680, 6362552, 7953190, 15906380, 31812760]

約数ペア:

[(1, 31812760), (2, 15906380), (4, 7953190), (5, 6362552), (7, 4544680), (8, 3976595), (10, 3181276), (14, 2272340), (20, 1590638), (28, 1136170), (35, 908936), (40, 795319), (49, 649240), (56, 568085), (70, 454468), (98, 324620), (140, 227234), (196, 162310), (245, 129848), (280, 113617), (392, 81155), (490, 64924), (980, 32462), (1960, 16231)]