54162780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128959}}^1$

素因数の和:128978

約数の個数: 48

約数和(自身を含む): 173322240

約数和(自身を除く): 119159460

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, 128959, 257918, 386877, 515836, 644795, 773754, 902713, 1289590, 1547508, 1805426, 1934385, 2579180, 2708139, 3610852, 3868770, 4513565, 5416278, 7737540, 9027130, 10832556, 13540695, 18054260, 27081390, 54162780]

約数ペア:

[(1, 54162780), (2, 27081390), (3, 18054260), (4, 13540695), (5, 10832556), (6, 9027130), (7, 7737540), (10, 5416278), (12, 4513565), (14, 3868770), (15, 3610852), (20, 2708139), (21, 2579180), (28, 1934385), (30, 1805426), (35, 1547508), (42, 1289590), (60, 902713), (70, 773754), (84, 644795), (105, 515836), (140, 386877), (210, 257918), (420, 128959)]