71624080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 183024000

約数和(自身を除く): 111399920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 409, 440, 796, 818, 880, 995, 1592, 1636, 1990, 2045, 2189, 3184, 3272, 3980, 4090, 4378, 4499, 6544, 7960, 8180, 8756, 8998, 10945, 15920, 16360, 17512, 17996, 21890, 22495, 32720, 35024, 35992, 43780, 44990, 71984, 81391, 87560, 89980, 162782, 175120, 179960, 325564, 359920, 406955, 651128, 813910, 895301, 1302256, 1627820, 1790602, 3255640, 3581204, 4476505, 6511280, 7162408, 8953010, 14324816, 17906020, 35812040, 71624080]

約数ペア:

[(1, 71624080), (2, 35812040), (4, 17906020), (5, 14324816), (8, 8953010), (10, 7162408), (11, 6511280), (16, 4476505), (20, 3581204), (22, 3255640), (40, 1790602), (44, 1627820), (55, 1302256), (80, 895301), (88, 813910), (110, 651128), (176, 406955), (199, 359920), (220, 325564), (398, 179960), (409, 175120), (440, 162782), (796, 89980), (818, 87560), (880, 81391), (995, 71984), (1592, 44990), (1636, 43780), (1990, 35992), (2045, 35024), (2189, 32720), (3184, 22495), (3272, 21890), (3980, 17996), (4090, 17512), (4378, 16360), (4499, 15920), (6544, 10945), (7960, 8998), (8180, 8756)]