1602990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1979}}^1$

素因数の和:1998

約数の個数: 40

約数和(自身を含む): 4312440

約数和(自身を除く): 2709450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1979, 3958, 5937, 9895, 11874, 17811, 19790, 29685, 35622, 53433, 59370, 89055, 106866, 160299, 178110, 267165, 320598, 534330, 801495, 1602990]

約数ペア:

[(1, 1602990), (2, 801495), (3, 534330), (5, 320598), (6, 267165), (9, 178110), (10, 160299), (15, 106866), (18, 89055), (27, 59370), (30, 53433), (45, 35622), (54, 29685), (81, 19790), (90, 17811), (135, 11874), (162, 9895), (270, 5937), (405, 3958), (810, 1979)]