81517320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75479}}^1$

素因数の和:75499

約数の個数: 64

約数和(自身を含む): 271728000

約数和(自身を除く): 190210680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75479, 150958, 226437, 301916, 377395, 452874, 603832, 679311, 754790, 905748, 1132185, 1358622, 1509580, 1811496, 2037933, 2264370, 2717244, 3019160, 3396555, 4075866, 4528740, 5434488, 6793110, 8151732, 9057480, 10189665, 13586220, 16303464, 20379330, 27172440, 40758660, 81517320]

約数ペア:

[(1, 81517320), (2, 40758660), (3, 27172440), (4, 20379330), (5, 16303464), (6, 13586220), (8, 10189665), (9, 9057480), (10, 8151732), (12, 6793110), (15, 5434488), (18, 4528740), (20, 4075866), (24, 3396555), (27, 3019160), (30, 2717244), (36, 2264370), (40, 2037933), (45, 1811496), (54, 1509580), (60, 1358622), (72, 1132185), (90, 905748), (108, 754790), (120, 679311), (135, 603832), (180, 452874), (216, 377395), (270, 301916), (360, 226437), (540, 150958), (1080, 75479)]