31117560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 93808800

約数和(自身を除く): 62691240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1009, 1028, 1285, 1542, 2018, 2056, 2570, 3027, 3084, 3855, 4036, 5045, 5140, 6054, 6168, 7710, 8072, 10090, 10280, 12108, 15135, 15420, 20180, 24216, 30270, 30840, 40360, 60540, 121080, 259313, 518626, 777939, 1037252, 1296565, 1555878, 2074504, 2593130, 3111756, 3889695, 5186260, 6223512, 7779390, 10372520, 15558780, 31117560]

約数ペア:

[(1, 31117560), (2, 15558780), (3, 10372520), (4, 7779390), (5, 6223512), (6, 5186260), (8, 3889695), (10, 3111756), (12, 2593130), (15, 2074504), (20, 1555878), (24, 1296565), (30, 1037252), (40, 777939), (60, 518626), (120, 259313), (257, 121080), (514, 60540), (771, 40360), (1009, 30840), (1028, 30270), (1285, 24216), (1542, 20180), (2018, 15420), (2056, 15135), (2570, 12108), (3027, 10280), (3084, 10090), (3855, 8072), (4036, 7710), (5045, 6168), (5140, 6054)]