31138620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2689}}^1$

素因数の和:2894

約数の個数: 48

約数和(自身を含む): 87672480

約数和(自身を除く): 56533860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1930, 2316, 2689, 2895, 3860, 5378, 5790, 8067, 10756, 11580, 13445, 16134, 26890, 32268, 40335, 53780, 80670, 161340, 518977, 1037954, 1556931, 2075908, 2594885, 3113862, 5189770, 6227724, 7784655, 10379540, 15569310, 31138620]

約数ペア:

[(1, 31138620), (2, 15569310), (3, 10379540), (4, 7784655), (5, 6227724), (6, 5189770), (10, 3113862), (12, 2594885), (15, 2075908), (20, 1556931), (30, 1037954), (60, 518977), (193, 161340), (386, 80670), (579, 53780), (772, 40335), (965, 32268), (1158, 26890), (1930, 16134), (2316, 13445), (2689, 11580), (2895, 10756), (3860, 8067), (5378, 5790)]