30458960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 81840000

約数和(自身を除く): 51381040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 499, 545, 560, 763, 872, 998, 1090, 1526, 1744, 1996, 2180, 2495, 3052, 3493, 3815, 3992, 4360, 4990, 6104, 6986, 7630, 7984, 8720, 9980, 12208, 13972, 15260, 17465, 19960, 27944, 30520, 34930, 39920, 54391, 55888, 61040, 69860, 108782, 139720, 217564, 271955, 279440, 380737, 435128, 543910, 761474, 870256, 1087820, 1522948, 1903685, 2175640, 3045896, 3807370, 4351280, 6091792, 7614740, 15229480, 30458960]

約数ペア:

[(1, 30458960), (2, 15229480), (4, 7614740), (5, 6091792), (7, 4351280), (8, 3807370), (10, 3045896), (14, 2175640), (16, 1903685), (20, 1522948), (28, 1087820), (35, 870256), (40, 761474), (56, 543910), (70, 435128), (80, 380737), (109, 279440), (112, 271955), (140, 217564), (218, 139720), (280, 108782), (436, 69860), (499, 61040), (545, 55888), (560, 54391), (763, 39920), (872, 34930), (998, 30520), (1090, 27944), (1526, 19960), (1744, 17465), (1996, 15260), (2180, 13972), (2495, 12208), (3052, 9980), (3493, 8720), (3815, 7984), (3992, 7630), (4360, 6986), (4990, 6104)]