64279720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94529}}^1$

素因数の和:94557

約数の個数: 32

約数和(自身を含む): 153138600

約数和(自身を除く): 88858880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 94529, 189058, 378116, 472645, 756232, 945290, 1606993, 1890580, 3213986, 3781160, 6427972, 8034965, 12855944, 16069930, 32139860, 64279720]

約数ペア:

[(1, 64279720), (2, 32139860), (4, 16069930), (5, 12855944), (8, 8034965), (10, 6427972), (17, 3781160), (20, 3213986), (34, 1890580), (40, 1606993), (68, 945290), (85, 756232), (136, 472645), (170, 378116), (340, 189058), (680, 94529)]