15229480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 39600000

約数和(自身を除く): 24370520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 499, 545, 763, 872, 998, 1090, 1526, 1996, 2180, 2495, 3052, 3493, 3815, 3992, 4360, 4990, 6104, 6986, 7630, 9980, 13972, 15260, 17465, 19960, 27944, 30520, 34930, 54391, 69860, 108782, 139720, 217564, 271955, 380737, 435128, 543910, 761474, 1087820, 1522948, 1903685, 2175640, 3045896, 3807370, 7614740, 15229480]

約数ペア:

[(1, 15229480), (2, 7614740), (4, 3807370), (5, 3045896), (7, 2175640), (8, 1903685), (10, 1522948), (14, 1087820), (20, 761474), (28, 543910), (35, 435128), (40, 380737), (56, 271955), (70, 217564), (109, 139720), (140, 108782), (218, 69860), (280, 54391), (436, 34930), (499, 30520), (545, 27944), (763, 19960), (872, 17465), (998, 15260), (1090, 13972), (1526, 9980), (1996, 7630), (2180, 6986), (2495, 6104), (3052, 4990), (3493, 4360), (3815, 3992)]