18203040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12641}}^1$

素因数の和:12662

約数の個数: 72

約数和(自身を含む): 62122788

約数和(自身を除く): 43919748

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12641, 25282, 37923, 50564, 63205, 75846, 101128, 113769, 126410, 151692, 189615, 202256, 227538, 252820, 303384, 379230, 404512, 455076, 505640, 568845, 606768, 758460, 910152, 1011280, 1137690, 1213536, 1516920, 1820304, 2022560, 2275380, 3033840, 3640608, 4550760, 6067680, 9101520, 18203040]

約数ペア:

[(1, 18203040), (2, 9101520), (3, 6067680), (4, 4550760), (5, 3640608), (6, 3033840), (8, 2275380), (9, 2022560), (10, 1820304), (12, 1516920), (15, 1213536), (16, 1137690), (18, 1011280), (20, 910152), (24, 758460), (30, 606768), (32, 568845), (36, 505640), (40, 455076), (45, 404512), (48, 379230), (60, 303384), (72, 252820), (80, 227538), (90, 202256), (96, 189615), (120, 151692), (144, 126410), (160, 113769), (180, 101128), (240, 75846), (288, 63205), (360, 50564), (480, 37923), (720, 25282), (1440, 12641)]