51861180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123479}}^1$

素因数の和:123498

約数の個数: 48

約数和(自身を含む): 165957120

約数和(自身を除く): 114095940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123479, 246958, 370437, 493916, 617395, 740874, 864353, 1234790, 1481748, 1728706, 1852185, 2469580, 2593059, 3457412, 3704370, 4321765, 5186118, 7408740, 8643530, 10372236, 12965295, 17287060, 25930590, 51861180]

約数ペア:

[(1, 51861180), (2, 25930590), (3, 17287060), (4, 12965295), (5, 10372236), (6, 8643530), (7, 7408740), (10, 5186118), (12, 4321765), (14, 3704370), (15, 3457412), (20, 2593059), (21, 2469580), (28, 1852185), (30, 1728706), (35, 1481748), (42, 1234790), (60, 864353), (70, 740874), (84, 617395), (105, 493916), (140, 370437), (210, 246958), (420, 123479)]