73725520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 188380800

約数和(自身を除く): 114655280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 421, 440, 796, 842, 880, 995, 1592, 1684, 1990, 2105, 2189, 3184, 3368, 3980, 4210, 4378, 4631, 6736, 7960, 8420, 8756, 9262, 10945, 15920, 16840, 17512, 18524, 21890, 23155, 33680, 35024, 37048, 43780, 46310, 74096, 83779, 87560, 92620, 167558, 175120, 185240, 335116, 370480, 418895, 670232, 837790, 921569, 1340464, 1675580, 1843138, 3351160, 3686276, 4607845, 6702320, 7372552, 9215690, 14745104, 18431380, 36862760, 73725520]

約数ペア:

[(1, 73725520), (2, 36862760), (4, 18431380), (5, 14745104), (8, 9215690), (10, 7372552), (11, 6702320), (16, 4607845), (20, 3686276), (22, 3351160), (40, 1843138), (44, 1675580), (55, 1340464), (80, 921569), (88, 837790), (110, 670232), (176, 418895), (199, 370480), (220, 335116), (398, 185240), (421, 175120), (440, 167558), (796, 92620), (842, 87560), (880, 83779), (995, 74096), (1592, 46310), (1684, 43780), (1990, 37048), (2105, 35024), (2189, 33680), (3184, 23155), (3368, 21890), (3980, 18524), (4210, 17512), (4378, 16840), (4631, 15920), (6736, 10945), (7960, 9262), (8420, 8756)]