205293840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855391}}^1$

素因数の和:855407

約数の個数: 40

約数和(自身を含む): 636411648

約数和(自身を除く): 431117808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855391, 1710782, 2566173, 3421564, 4276955, 5132346, 6843128, 8553910, 10264692, 12830865, 13686256, 17107820, 20529384, 25661730, 34215640, 41058768, 51323460, 68431280, 102646920, 205293840]

約数ペア:

[(1, 205293840), (2, 102646920), (3, 68431280), (4, 51323460), (5, 41058768), (6, 34215640), (8, 25661730), (10, 20529384), (12, 17107820), (15, 13686256), (16, 12830865), (20, 10264692), (24, 8553910), (30, 6843128), (40, 5132346), (48, 4276955), (60, 3421564), (80, 2566173), (120, 1710782), (240, 855391)]