1490080

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 3598560

約数和(自身を除く): 2108480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 139, 160, 268, 278, 335, 536, 556, 670, 695, 1072, 1112, 1340, 1390, 2144, 2224, 2680, 2780, 4448, 5360, 5560, 9313, 10720, 11120, 18626, 22240, 37252, 46565, 74504, 93130, 149008, 186260, 298016, 372520, 745040, 1490080]

約数ペア:

[(1, 1490080), (2, 745040), (4, 372520), (5, 298016), (8, 186260), (10, 149008), (16, 93130), (20, 74504), (32, 46565), (40, 37252), (67, 22240), (80, 18626), (134, 11120), (139, 10720), (160, 9313), (268, 5560), (278, 5360), (335, 4448), (536, 2780), (556, 2680), (670, 2224), (695, 2144), (1072, 1390), (1112, 1340)]