1998270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{2467}}^1$

素因数の和:2486

約数の個数: 40

約数和(自身を含む): 5375304

約数和(自身を除く): 3377034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 2467, 4934, 7401, 12335, 14802, 22203, 24670, 37005, 44406, 66609, 74010, 111015, 133218, 199827, 222030, 333045, 399654, 666090, 999135, 1998270]

約数ペア:

[(1, 1998270), (2, 999135), (3, 666090), (5, 399654), (6, 333045), (9, 222030), (10, 199827), (15, 133218), (18, 111015), (27, 74010), (30, 66609), (45, 44406), (54, 37005), (81, 24670), (90, 22203), (135, 14802), (162, 12335), (270, 7401), (405, 4934), (810, 2467)]