15662780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6614

約数の個数: 48

約数和(自身を含む): 39807936

約数和(自身を除く): 24145156

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6581, 13162, 26324, 32905, 46067, 65810, 92134, 111877, 131620, 184268, 223754, 230335, 447508, 460670, 559385, 783139, 921340, 1118770, 1566278, 2237540, 3132556, 3915695, 7831390, 15662780]

約数ペア:

[(1, 15662780), (2, 7831390), (4, 3915695), (5, 3132556), (7, 2237540), (10, 1566278), (14, 1118770), (17, 921340), (20, 783139), (28, 559385), (34, 460670), (35, 447508), (68, 230335), (70, 223754), (85, 184268), (119, 131620), (140, 111877), (170, 92134), (238, 65810), (340, 46067), (476, 32905), (595, 26324), (1190, 13162), (2380, 6581)]