81593120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:562

約数の個数: 96

約数和(自身を含む): 221937408

約数和(自身を除く): 140344288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 263, 277, 280, 526, 554, 560, 1052, 1108, 1120, 1315, 1385, 1841, 1939, 2104, 2216, 2630, 2770, 3682, 3878, 4208, 4432, 5260, 5540, 7364, 7756, 8416, 8864, 9205, 9695, 10520, 11080, 14728, 15512, 18410, 19390, 21040, 22160, 29456, 31024, 36820, 38780, 42080, 44320, 58912, 62048, 72851, 73640, 77560, 145702, 147280, 155120, 291404, 294560, 310240, 364255, 509957, 582808, 728510, 1019914, 1165616, 1457020, 2039828, 2331232, 2549785, 2914040, 4079656, 5099570, 5828080, 8159312, 10199140, 11656160, 16318624, 20398280, 40796560, 81593120]

約数ペア:

[(1, 81593120), (2, 40796560), (4, 20398280), (5, 16318624), (7, 11656160), (8, 10199140), (10, 8159312), (14, 5828080), (16, 5099570), (20, 4079656), (28, 2914040), (32, 2549785), (35, 2331232), (40, 2039828), (56, 1457020), (70, 1165616), (80, 1019914), (112, 728510), (140, 582808), (160, 509957), (224, 364255), (263, 310240), (277, 294560), (280, 291404), (526, 155120), (554, 147280), (560, 145702), (1052, 77560), (1108, 73640), (1120, 72851), (1315, 62048), (1385, 58912), (1841, 44320), (1939, 42080), (2104, 38780), (2216, 36820), (2630, 31024), (2770, 29456), (3682, 22160), (3878, 21040), (4208, 19390), (4432, 18410), (5260, 15512), (5540, 14728), (7364, 11080), (7756, 10520), (8416, 9695), (8864, 9205)]