72318880

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3559}}^1$

素因数の和:3701

約数の個数: 48

約数和(自身を含む): 172247040

約数和(自身を除く): 99928160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3559, 4064, 5080, 7118, 10160, 14236, 17795, 20320, 28472, 35590, 56944, 71180, 113888, 142360, 284720, 451993, 569440, 903986, 1807972, 2259965, 3615944, 4519930, 7231888, 9039860, 14463776, 18079720, 36159440, 72318880]

約数ペア:

[(1, 72318880), (2, 36159440), (4, 18079720), (5, 14463776), (8, 9039860), (10, 7231888), (16, 4519930), (20, 3615944), (32, 2259965), (40, 1807972), (80, 903986), (127, 569440), (160, 451993), (254, 284720), (508, 142360), (635, 113888), (1016, 71180), (1270, 56944), (2032, 35590), (2540, 28472), (3559, 20320), (4064, 17795), (5080, 14236), (7118, 10160)]