51772980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123269}}^1$

素因数の和:123288

約数の個数: 48

約数和(自身を含む): 165674880

約数和(自身を除く): 113901900

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, 123269, 246538, 369807, 493076, 616345, 739614, 862883, 1232690, 1479228, 1725766, 1849035, 2465380, 2588649, 3451532, 3698070, 4314415, 5177298, 7396140, 8628830, 10354596, 12943245, 17257660, 25886490, 51772980]

約数ペア:

[(1, 51772980), (2, 25886490), (3, 17257660), (4, 12943245), (5, 10354596), (6, 8628830), (7, 7396140), (10, 5177298), (12, 4314415), (14, 3698070), (15, 3451532), (20, 2588649), (21, 2465380), (28, 1849035), (30, 1725766), (35, 1479228), (42, 1232690), (60, 862883), (70, 739614), (84, 616345), (105, 493076), (140, 369807), (210, 246538), (420, 123269)]