39660240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 123617088

約数和(自身を除く): 83956848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 643, 771, 1028, 1285, 1286, 1542, 1929, 2056, 2570, 2572, 3084, 3215, 3855, 3858, 4112, 5140, 5144, 6168, 6430, 7710, 7716, 9645, 10280, 10288, 12336, 12860, 15420, 15432, 19290, 20560, 25720, 30840, 30864, 38580, 51440, 61680, 77160, 154320, 165251, 330502, 495753, 661004, 826255, 991506, 1322008, 1652510, 1983012, 2478765, 2644016, 3305020, 3966024, 4957530, 6610040, 7932048, 9915060, 13220080, 19830120, 39660240]

約数ペア:

[(1, 39660240), (2, 19830120), (3, 13220080), (4, 9915060), (5, 7932048), (6, 6610040), (8, 4957530), (10, 3966024), (12, 3305020), (15, 2644016), (16, 2478765), (20, 1983012), (24, 1652510), (30, 1322008), (40, 991506), (48, 826255), (60, 661004), (80, 495753), (120, 330502), (240, 165251), (257, 154320), (514, 77160), (643, 61680), (771, 51440), (1028, 38580), (1285, 30864), (1286, 30840), (1542, 25720), (1929, 20560), (2056, 19290), (2570, 15432), (2572, 15420), (3084, 12860), (3215, 12336), (3855, 10288), (3858, 10280), (4112, 9645), (5140, 7716), (5144, 7710), (6168, 6430)]