163950780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390359}}^1$

素因数の和:390378

約数の個数: 48

約数和(自身を含む): 524643840

約数和(自身を除く): 360693060

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, 390359, 780718, 1171077, 1561436, 1951795, 2342154, 2732513, 3903590, 4684308, 5465026, 5855385, 7807180, 8197539, 10930052, 11710770, 13662565, 16395078, 23421540, 27325130, 32790156, 40987695, 54650260, 81975390, 163950780]

約数ペア:

[(1, 163950780), (2, 81975390), (3, 54650260), (4, 40987695), (5, 32790156), (6, 27325130), (7, 23421540), (10, 16395078), (12, 13662565), (14, 11710770), (15, 10930052), (20, 8197539), (21, 7807180), (28, 5855385), (30, 5465026), (35, 4684308), (42, 3903590), (60, 2732513), (70, 2342154), (84, 1951795), (105, 1561436), (140, 1171077), (210, 780718), (420, 390359)]