708640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 1729728

約数和(自身を除く): 1021088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 103, 160, 172, 206, 215, 344, 412, 430, 515, 688, 824, 860, 1030, 1376, 1648, 1720, 2060, 3296, 3440, 4120, 4429, 6880, 8240, 8858, 16480, 17716, 22145, 35432, 44290, 70864, 88580, 141728, 177160, 354320, 708640]

約数ペア:

[(1, 708640), (2, 354320), (4, 177160), (5, 141728), (8, 88580), (10, 70864), (16, 44290), (20, 35432), (32, 22145), (40, 17716), (43, 16480), (80, 8858), (86, 8240), (103, 6880), (160, 4429), (172, 4120), (206, 3440), (215, 3296), (344, 2060), (412, 1720), (430, 1648), (515, 1376), (688, 1030), (824, 860)]