39978480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 124840224

約数和(自身を除く): 84861744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1061, 1256, 1570, 1884, 2122, 2355, 2512, 3140, 3183, 3768, 4244, 4710, 5305, 6280, 6366, 7536, 8488, 9420, 10610, 12560, 12732, 15915, 16976, 18840, 21220, 25464, 31830, 37680, 42440, 50928, 63660, 84880, 127320, 166577, 254640, 333154, 499731, 666308, 832885, 999462, 1332616, 1665770, 1998924, 2498655, 2665232, 3331540, 3997848, 4997310, 6663080, 7995696, 9994620, 13326160, 19989240, 39978480]

約数ペア:

[(1, 39978480), (2, 19989240), (3, 13326160), (4, 9994620), (5, 7995696), (6, 6663080), (8, 4997310), (10, 3997848), (12, 3331540), (15, 2665232), (16, 2498655), (20, 1998924), (24, 1665770), (30, 1332616), (40, 999462), (48, 832885), (60, 666308), (80, 499731), (120, 333154), (157, 254640), (240, 166577), (314, 127320), (471, 84880), (628, 63660), (785, 50928), (942, 42440), (1061, 37680), (1256, 31830), (1570, 25464), (1884, 21220), (2122, 18840), (2355, 16976), (2512, 15915), (3140, 12732), (3183, 12560), (3768, 10610), (4244, 9420), (4710, 8488), (5305, 7536), (6280, 6366)]