80345440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3119}}^1$

素因数の和:3164

約数の個数: 96

約数和(自身を含む): 226437120

約数和(自身を除く): 146091680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3119, 3220, 3680, 5152, 6238, 6440, 12476, 12880, 15595, 21833, 24952, 25760, 31190, 43666, 49904, 62380, 71737, 87332, 99808, 109165, 124760, 143474, 174664, 218330, 249520, 286948, 349328, 358685, 436660, 499040, 502159, 573896, 698656, 717370, 873320, 1004318, 1147792, 1434740, 1746640, 2008636, 2295584, 2510795, 2869480, 3493280, 4017272, 5021590, 5738960, 8034544, 10043180, 11477920, 16069088, 20086360, 40172720, 80345440]

約数ペア:

[(1, 80345440), (2, 40172720), (4, 20086360), (5, 16069088), (7, 11477920), (8, 10043180), (10, 8034544), (14, 5738960), (16, 5021590), (20, 4017272), (23, 3493280), (28, 2869480), (32, 2510795), (35, 2295584), (40, 2008636), (46, 1746640), (56, 1434740), (70, 1147792), (80, 1004318), (92, 873320), (112, 717370), (115, 698656), (140, 573896), (160, 502159), (161, 499040), (184, 436660), (224, 358685), (230, 349328), (280, 286948), (322, 249520), (368, 218330), (460, 174664), (560, 143474), (644, 124760), (736, 109165), (805, 99808), (920, 87332), (1120, 71737), (1288, 62380), (1610, 49904), (1840, 43666), (2576, 31190), (3119, 25760), (3220, 24952), (3680, 21833), (5152, 15595), (6238, 12880), (6440, 12476)]