640950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{4273}}^1$

素因数の和:4288

約数の個数: 24

約数和(自身を含む): 1589928

約数和(自身を除く): 948978

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 4273, 8546, 12819, 21365, 25638, 42730, 64095, 106825, 128190, 213650, 320475, 640950]

約数ペア:

[(1, 640950), (2, 320475), (3, 213650), (5, 128190), (6, 106825), (10, 64095), (15, 42730), (25, 25638), (30, 21365), (50, 12819), (75, 8546), (150, 4273)]