79081520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{499}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 211296000

約数和(自身を除く): 132214480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 499, 560, 566, 998, 1132, 1415, 1981, 1996, 2264, 2495, 2830, 3493, 3962, 3992, 4528, 4990, 5660, 6986, 7924, 7984, 9905, 9980, 11320, 13972, 15848, 17465, 19810, 19960, 22640, 27944, 31696, 34930, 39620, 39920, 55888, 69860, 79240, 139720, 141217, 158480, 279440, 282434, 564868, 706085, 988519, 1129736, 1412170, 1977038, 2259472, 2824340, 3954076, 4942595, 5648680, 7908152, 9885190, 11297360, 15816304, 19770380, 39540760, 79081520]

約数ペア:

[(1, 79081520), (2, 39540760), (4, 19770380), (5, 15816304), (7, 11297360), (8, 9885190), (10, 7908152), (14, 5648680), (16, 4942595), (20, 3954076), (28, 2824340), (35, 2259472), (40, 1977038), (56, 1412170), (70, 1129736), (80, 988519), (112, 706085), (140, 564868), (280, 282434), (283, 279440), (499, 158480), (560, 141217), (566, 139720), (998, 79240), (1132, 69860), (1415, 55888), (1981, 39920), (1996, 39620), (2264, 34930), (2495, 31696), (2830, 27944), (3493, 22640), (3962, 19960), (3992, 19810), (4528, 17465), (4990, 15848), (5660, 13972), (6986, 11320), (7924, 9980), (7984, 9905)]