66487820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4357}}^1$

素因数の和:4482

約数の個数: 48

約数和(自身を含む): 161071680

約数和(自身を除く): 94583860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4357, 7630, 8714, 15260, 17428, 21785, 30499, 43570, 60998, 87140, 121996, 152495, 304990, 474913, 609980, 949826, 1899652, 2374565, 3324391, 4749130, 6648782, 9498260, 13297564, 16621955, 33243910, 66487820]

約数ペア:

[(1, 66487820), (2, 33243910), (4, 16621955), (5, 13297564), (7, 9498260), (10, 6648782), (14, 4749130), (20, 3324391), (28, 2374565), (35, 1899652), (70, 949826), (109, 609980), (140, 474913), (218, 304990), (436, 152495), (545, 121996), (763, 87140), (1090, 60998), (1526, 43570), (2180, 30499), (3052, 21785), (3815, 17428), (4357, 15260), (7630, 8714)]