64671640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 160392960

約数和(自身を除く): 95721320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1427, 2060, 2266, 2854, 4120, 4532, 5665, 5708, 7135, 9064, 11330, 11416, 14270, 15697, 22660, 28540, 31394, 45320, 57080, 62788, 78485, 125576, 146981, 156970, 293962, 313940, 587924, 627880, 734905, 1175848, 1469810, 1616791, 2939620, 3233582, 5879240, 6467164, 8083955, 12934328, 16167910, 32335820, 64671640]

約数ペア:

[(1, 64671640), (2, 32335820), (4, 16167910), (5, 12934328), (8, 8083955), (10, 6467164), (11, 5879240), (20, 3233582), (22, 2939620), (40, 1616791), (44, 1469810), (55, 1175848), (88, 734905), (103, 627880), (110, 587924), (206, 313940), (220, 293962), (412, 156970), (440, 146981), (515, 125576), (824, 78485), (1030, 62788), (1133, 57080), (1427, 45320), (2060, 31394), (2266, 28540), (2854, 22660), (4120, 15697), (4532, 14270), (5665, 11416), (5708, 11330), (7135, 9064)]