31491240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23857}}^1$

素因数の和:23882

約数の個数: 64

約数和(自身を含む): 103066560

約数和(自身を除く): 71575320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 23857, 47714, 71571, 95428, 119285, 143142, 190856, 238570, 262427, 286284, 357855, 477140, 524854, 572568, 715710, 787281, 954280, 1049708, 1312135, 1431420, 1574562, 2099416, 2624270, 2862840, 3149124, 3936405, 5248540, 6298248, 7872810, 10497080, 15745620, 31491240]

約数ペア:

[(1, 31491240), (2, 15745620), (3, 10497080), (4, 7872810), (5, 6298248), (6, 5248540), (8, 3936405), (10, 3149124), (11, 2862840), (12, 2624270), (15, 2099416), (20, 1574562), (22, 1431420), (24, 1312135), (30, 1049708), (33, 954280), (40, 787281), (44, 715710), (55, 572568), (60, 524854), (66, 477140), (88, 357855), (110, 286284), (120, 262427), (132, 238570), (165, 190856), (220, 143142), (264, 119285), (330, 95428), (440, 71571), (660, 47714), (1320, 23857)]