1206222780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2871959}}^1$

素因数の和:2871978

約数の個数: 48

約数和(自身を含む): 3859914240

約数和(自身を除く): 2653691460

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, 2871959, 5743918, 8615877, 11487836, 14359795, 17231754, 20103713, 28719590, 34463508, 40207426, 43079385, 57439180, 60311139, 80414852, 86158770, 100518565, 120622278, 172317540, 201037130, 241244556, 301555695, 402074260, 603111390, 1206222780]

約数ペア:

[(1, 1206222780), (2, 603111390), (3, 402074260), (4, 301555695), (5, 241244556), (6, 201037130), (7, 172317540), (10, 120622278), (12, 100518565), (14, 86158770), (15, 80414852), (20, 60311139), (21, 57439180), (28, 43079385), (30, 40207426), (35, 34463508), (42, 28719590), (60, 20103713), (70, 17231754), (84, 14359795), (105, 11487836), (140, 8615877), (210, 5743918), (420, 2871959)]