77995720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 115419320

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, 1721, 2060, 2266, 3442, 4120, 4532, 5665, 6884, 8605, 9064, 11330, 13768, 17210, 18931, 22660, 34420, 37862, 45320, 68840, 75724, 94655, 151448, 177263, 189310, 354526, 378620, 709052, 757240, 886315, 1418104, 1772630, 1949893, 3545260, 3899786, 7090520, 7799572, 9749465, 15599144, 19498930, 38997860, 77995720]

約数ペア:

[(1, 77995720), (2, 38997860), (4, 19498930), (5, 15599144), (8, 9749465), (10, 7799572), (11, 7090520), (20, 3899786), (22, 3545260), (40, 1949893), (44, 1772630), (55, 1418104), (88, 886315), (103, 757240), (110, 709052), (206, 378620), (220, 354526), (412, 189310), (440, 177263), (515, 151448), (824, 94655), (1030, 75724), (1133, 68840), (1721, 45320), (2060, 37862), (2266, 34420), (3442, 22660), (4120, 18931), (4532, 17210), (5665, 13768), (6884, 11330), (8605, 9064)]