28640880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39779}}^1$

素因数の和:39798

約数の個数: 60

約数和(自身を含む): 96188040

約数和(自身を除く): 67547160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39779, 79558, 119337, 159116, 198895, 238674, 318232, 358011, 397790, 477348, 596685, 636464, 716022, 795580, 954696, 1193370, 1432044, 1591160, 1790055, 1909392, 2386740, 2864088, 3182320, 3580110, 4773480, 5728176, 7160220, 9546960, 14320440, 28640880]

約数ペア:

[(1, 28640880), (2, 14320440), (3, 9546960), (4, 7160220), (5, 5728176), (6, 4773480), (8, 3580110), (9, 3182320), (10, 2864088), (12, 2386740), (15, 1909392), (16, 1790055), (18, 1591160), (20, 1432044), (24, 1193370), (30, 954696), (36, 795580), (40, 716022), (45, 636464), (48, 596685), (60, 477348), (72, 397790), (80, 358011), (90, 318232), (120, 238674), (144, 198895), (180, 159116), (240, 119337), (360, 79558), (720, 39779)]