72679240

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1493}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 163772280

約数和(自身を除く): 91093040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 1493, 2434, 2986, 4868, 5972, 6085, 7465, 9736, 11944, 12170, 14930, 24340, 29860, 48680, 59720, 1816981, 3633962, 7267924, 9084905, 14535848, 18169810, 36339620, 72679240]

約数ペア:

[(1, 72679240), (2, 36339620), (4, 18169810), (5, 14535848), (8, 9084905), (10, 7267924), (20, 3633962), (40, 1816981), (1217, 59720), (1493, 48680), (2434, 29860), (2986, 24340), (4868, 14930), (5972, 12170), (6085, 11944), (7465, 9736)]