172720260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{50503}}^1$

素因数の和:50537

約数の個数: 72

約数和(自身を含む): 551503680

約数和(自身を除く): 378783420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 50503, 101006, 151509, 202012, 252515, 303018, 454527, 505030, 606036, 757545, 909054, 959557, 1010060, 1515090, 1818108, 1919114, 2272635, 2878671, 3030180, 3838228, 4545270, 4797785, 5757342, 8636013, 9090540, 9595570, 11514684, 14393355, 17272026, 19191140, 28786710, 34544052, 43180065, 57573420, 86360130, 172720260]

約数ペア:

[(1, 172720260), (2, 86360130), (3, 57573420), (4, 43180065), (5, 34544052), (6, 28786710), (9, 19191140), (10, 17272026), (12, 14393355), (15, 11514684), (18, 9595570), (19, 9090540), (20, 8636013), (30, 5757342), (36, 4797785), (38, 4545270), (45, 3838228), (57, 3030180), (60, 2878671), (76, 2272635), (90, 1919114), (95, 1818108), (114, 1515090), (171, 1010060), (180, 959557), (190, 909054), (228, 757545), (285, 606036), (342, 505030), (380, 454527), (570, 303018), (684, 252515), (855, 202012), (1140, 151509), (1710, 101006), (3420, 50503)]