180628280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8837}}^1$

素因数の和:8928

約数の個数: 64

約数和(自身を含む): 470888640

約数和(自身を除く): 290260360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 8837, 10220, 17674, 20440, 35348, 44185, 61859, 70696, 88370, 123718, 176740, 247436, 309295, 353480, 494872, 618590, 645101, 1237180, 1290202, 2474360, 2580404, 3225505, 4515707, 5160808, 6451010, 9031414, 12902020, 18062828, 22578535, 25804040, 36125656, 45157070, 90314140, 180628280]

約数ペア:

[(1, 180628280), (2, 90314140), (4, 45157070), (5, 36125656), (7, 25804040), (8, 22578535), (10, 18062828), (14, 12902020), (20, 9031414), (28, 6451010), (35, 5160808), (40, 4515707), (56, 3225505), (70, 2580404), (73, 2474360), (140, 1290202), (146, 1237180), (280, 645101), (292, 618590), (365, 494872), (511, 353480), (584, 309295), (730, 247436), (1022, 176740), (1460, 123718), (2044, 88370), (2555, 70696), (2920, 61859), (4088, 44185), (5110, 35348), (8837, 20440), (10220, 17674)]