205497720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570827}}^1$

素因数の和:570844

約数の個数: 48

約数和(自身を含む): 667868760

約数和(自身を除く): 462371040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570827, 1141654, 1712481, 2283308, 2854135, 3424962, 4566616, 5137443, 5708270, 6849924, 8562405, 10274886, 11416540, 13699848, 17124810, 20549772, 22833080, 25687215, 34249620, 41099544, 51374430, 68499240, 102748860, 205497720]

約数ペア:

[(1, 205497720), (2, 102748860), (3, 68499240), (4, 51374430), (5, 41099544), (6, 34249620), (8, 25687215), (9, 22833080), (10, 20549772), (12, 17124810), (15, 13699848), (18, 11416540), (20, 10274886), (24, 8562405), (30, 6849924), (36, 5708270), (40, 5137443), (45, 4566616), (60, 3424962), (72, 2854135), (90, 2283308), (120, 1712481), (180, 1141654), (360, 570827)]