28317720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 85317120

約数和(自身を除く): 56999400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 643, 734, 1101, 1286, 1468, 1835, 1929, 2202, 2572, 2936, 3215, 3670, 3858, 4404, 5144, 5505, 6430, 7340, 7716, 8808, 9645, 11010, 12860, 14680, 15432, 19290, 22020, 25720, 38580, 44040, 77160, 235981, 471962, 707943, 943924, 1179905, 1415886, 1887848, 2359810, 2831772, 3539715, 4719620, 5663544, 7079430, 9439240, 14158860, 28317720]

約数ペア:

[(1, 28317720), (2, 14158860), (3, 9439240), (4, 7079430), (5, 5663544), (6, 4719620), (8, 3539715), (10, 2831772), (12, 2359810), (15, 1887848), (20, 1415886), (24, 1179905), (30, 943924), (40, 707943), (60, 471962), (120, 235981), (367, 77160), (643, 44040), (734, 38580), (1101, 25720), (1286, 22020), (1468, 19290), (1835, 15432), (1929, 14680), (2202, 12860), (2572, 11010), (2936, 9645), (3215, 8808), (3670, 7716), (3858, 7340), (4404, 6430), (5144, 5505)]