747646480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{32563}}^1$

素因数の和:32624

約数の個数: 80

約数和(自身を含む): 2035119744

約数和(自身を除く): 1287473264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 22960, 32563, 65126, 130252, 162815, 227941, 260504, 325630, 455882, 521008, 651260, 911764, 1139705, 1302520, 1335083, 1823528, 2279410, 2605040, 2670166, 3647056, 4558820, 5340332, 6675415, 9117640, 9345581, 10680664, 13350830, 18235280, 18691162, 21361328, 26701660, 37382324, 46727905, 53403320, 74764648, 93455810, 106806640, 149529296, 186911620, 373823240, 747646480]

約数ペア:

[(1, 747646480), (2, 373823240), (4, 186911620), (5, 149529296), (7, 106806640), (8, 93455810), (10, 74764648), (14, 53403320), (16, 46727905), (20, 37382324), (28, 26701660), (35, 21361328), (40, 18691162), (41, 18235280), (56, 13350830), (70, 10680664), (80, 9345581), (82, 9117640), (112, 6675415), (140, 5340332), (164, 4558820), (205, 3647056), (280, 2670166), (287, 2605040), (328, 2279410), (410, 1823528), (560, 1335083), (574, 1302520), (656, 1139705), (820, 911764), (1148, 651260), (1435, 521008), (1640, 455882), (2296, 325630), (2870, 260504), (3280, 227941), (4592, 162815), (5740, 130252), (11480, 65126), (22960, 32563)]