64874640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270311}}^1$

素因数の和:270327

約数の個数: 40

約数和(自身を含む): 201112128

約数和(自身を除く): 136237488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270311, 540622, 810933, 1081244, 1351555, 1621866, 2162488, 2703110, 3243732, 4054665, 4324976, 5406220, 6487464, 8109330, 10812440, 12974928, 16218660, 21624880, 32437320, 64874640]

約数ペア:

[(1, 64874640), (2, 32437320), (3, 21624880), (4, 16218660), (5, 12974928), (6, 10812440), (8, 8109330), (10, 6487464), (12, 5406220), (15, 4324976), (16, 4054665), (20, 3243732), (24, 2703110), (30, 2162488), (40, 1621866), (48, 1351555), (60, 1081244), (80, 810933), (120, 540622), (240, 270311)]