90720900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{100801}}^1$

素因数の和:100821

約数の個数: 54

約数和(自身を含む): 284362442

約数和(自身を除く): 193641542

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 100801, 201602, 302403, 403204, 504005, 604806, 907209, 1008010, 1209612, 1512015, 1814418, 2016020, 2520025, 3024030, 3628836, 4536045, 5040050, 6048060, 7560075, 9072090, 10080100, 15120150, 18144180, 22680225, 30240300, 45360450, 90720900]

約数ペア:

[(1, 90720900), (2, 45360450), (3, 30240300), (4, 22680225), (5, 18144180), (6, 15120150), (9, 10080100), (10, 9072090), (12, 7560075), (15, 6048060), (18, 5040050), (20, 4536045), (25, 3628836), (30, 3024030), (36, 2520025), (45, 2016020), (50, 1814418), (60, 1512015), (75, 1209612), (90, 1008010), (100, 907209), (150, 604806), (180, 504005), (225, 403204), (300, 302403), (450, 201602), (900, 100801)]