12401680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 31248000

約数和(自身を除く): 18846320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 199, 205, 304, 328, 380, 398, 410, 656, 760, 779, 796, 820, 995, 1520, 1558, 1592, 1640, 1990, 3116, 3184, 3280, 3781, 3895, 3980, 6232, 7562, 7790, 7960, 8159, 12464, 15124, 15580, 15920, 16318, 18905, 30248, 31160, 32636, 37810, 40795, 60496, 62320, 65272, 75620, 81590, 130544, 151240, 155021, 163180, 302480, 310042, 326360, 620084, 652720, 775105, 1240168, 1550210, 2480336, 3100420, 6200840, 12401680]

約数ペア:

[(1, 12401680), (2, 6200840), (4, 3100420), (5, 2480336), (8, 1550210), (10, 1240168), (16, 775105), (19, 652720), (20, 620084), (38, 326360), (40, 310042), (41, 302480), (76, 163180), (80, 155021), (82, 151240), (95, 130544), (152, 81590), (164, 75620), (190, 65272), (199, 62320), (205, 60496), (304, 40795), (328, 37810), (380, 32636), (398, 31160), (410, 30248), (656, 18905), (760, 16318), (779, 15920), (796, 15580), (820, 15124), (995, 12464), (1520, 8159), (1558, 7960), (1592, 7790), (1640, 7562), (1990, 6232), (3116, 3980), (3184, 3895), (3280, 3781)]