15866620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10303}}^1$

素因数の和:10330

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 25679108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10303, 20606, 41212, 51515, 72121, 103030, 113333, 144242, 206060, 226666, 288484, 360605, 453332, 566665, 721210, 793331, 1133330, 1442420, 1586662, 2266660, 3173324, 3966655, 7933310, 15866620]

約数ペア:

[(1, 15866620), (2, 7933310), (4, 3966655), (5, 3173324), (7, 2266660), (10, 1586662), (11, 1442420), (14, 1133330), (20, 793331), (22, 721210), (28, 566665), (35, 453332), (44, 360605), (55, 288484), (70, 226666), (77, 206060), (110, 144242), (140, 113333), (154, 103030), (220, 72121), (308, 51515), (385, 41212), (770, 20606), (1540, 10303)]