2980160

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 56

約数和(自身を含む): 7254240

約数和(自身を除く): 4274080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 139, 160, 268, 278, 320, 335, 536, 556, 670, 695, 1072, 1112, 1340, 1390, 2144, 2224, 2680, 2780, 4288, 4448, 5360, 5560, 8896, 9313, 10720, 11120, 18626, 21440, 22240, 37252, 44480, 46565, 74504, 93130, 149008, 186260, 298016, 372520, 596032, 745040, 1490080, 2980160]

約数ペア:

[(1, 2980160), (2, 1490080), (4, 745040), (5, 596032), (8, 372520), (10, 298016), (16, 186260), (20, 149008), (32, 93130), (40, 74504), (64, 46565), (67, 44480), (80, 37252), (134, 22240), (139, 21440), (160, 18626), (268, 11120), (278, 10720), (320, 9313), (335, 8896), (536, 5560), (556, 5360), (670, 4448), (695, 4288), (1072, 2780), (1112, 2680), (1340, 2224), (1390, 2144)]