7179920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 18748800

約数和(自身を除く): 11568880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 199, 205, 220, 328, 398, 410, 440, 451, 656, 796, 820, 880, 902, 995, 1592, 1640, 1804, 1990, 2189, 2255, 3184, 3280, 3608, 3980, 4378, 4510, 7216, 7960, 8159, 8756, 9020, 10945, 15920, 16318, 17512, 18040, 21890, 32636, 35024, 36080, 40795, 43780, 65272, 81590, 87560, 89749, 130544, 163180, 175120, 179498, 326360, 358996, 448745, 652720, 717992, 897490, 1435984, 1794980, 3589960, 7179920]

約数ペア:

[(1, 7179920), (2, 3589960), (4, 1794980), (5, 1435984), (8, 897490), (10, 717992), (11, 652720), (16, 448745), (20, 358996), (22, 326360), (40, 179498), (41, 175120), (44, 163180), (55, 130544), (80, 89749), (82, 87560), (88, 81590), (110, 65272), (164, 43780), (176, 40795), (199, 36080), (205, 35024), (220, 32636), (328, 21890), (398, 18040), (410, 17512), (440, 16318), (451, 15920), (656, 10945), (796, 9020), (820, 8756), (880, 8159), (902, 7960), (995, 7216), (1592, 4510), (1640, 4378), (1804, 3980), (1990, 3608), (2189, 3280), (2255, 3184)]