2290720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 3212960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 139, 160, 206, 278, 412, 515, 556, 695, 824, 1030, 1112, 1390, 1648, 2060, 2224, 2780, 3296, 4120, 4448, 5560, 8240, 11120, 14317, 16480, 22240, 28634, 57268, 71585, 114536, 143170, 229072, 286340, 458144, 572680, 1145360, 2290720]

約数ペア:

[(1, 2290720), (2, 1145360), (4, 572680), (5, 458144), (8, 286340), (10, 229072), (16, 143170), (20, 114536), (32, 71585), (40, 57268), (80, 28634), (103, 22240), (139, 16480), (160, 14317), (206, 11120), (278, 8240), (412, 5560), (515, 4448), (556, 4120), (695, 3296), (824, 2780), (1030, 2224), (1112, 2060), (1390, 1648)]