653480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 1608660

約数和(自身を除く): 955180

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 961, 1054, 1240, 1922, 2108, 2635, 3844, 4216, 4805, 5270, 7688, 9610, 10540, 16337, 19220, 21080, 32674, 38440, 65348, 81685, 130696, 163370, 326740, 653480]

約数ペア:

[(1, 653480), (2, 326740), (4, 163370), (5, 130696), (8, 81685), (10, 65348), (17, 38440), (20, 32674), (31, 21080), (34, 19220), (40, 16337), (62, 10540), (68, 9610), (85, 7688), (124, 5270), (136, 4805), (155, 4216), (170, 3844), (248, 2635), (310, 2108), (340, 1922), (527, 1240), (620, 1054), (680, 961)]