71812960

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3383

約数の個数: 48

約数和(自身を含む): 170931600

約数和(自身を除く): 99118640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3229, 4448, 5560, 6458, 11120, 12916, 16145, 22240, 25832, 32290, 51664, 64580, 103328, 129160, 258320, 448831, 516640, 897662, 1795324, 2244155, 3590648, 4488310, 7181296, 8976620, 14362592, 17953240, 35906480, 71812960]

約数ペア:

[(1, 71812960), (2, 35906480), (4, 17953240), (5, 14362592), (8, 8976620), (10, 7181296), (16, 4488310), (20, 3590648), (32, 2244155), (40, 1795324), (80, 897662), (139, 516640), (160, 448831), (278, 258320), (556, 129160), (695, 103328), (1112, 64580), (1390, 51664), (2224, 32290), (2780, 25832), (3229, 22240), (4448, 16145), (5560, 12916), (6458, 11120)]