15531180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36979}}^1$

素因数の和:36998

約数の個数: 48

約数和(自身を含む): 49701120

約数和(自身を除く): 34169940

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, 36979, 73958, 110937, 147916, 184895, 221874, 258853, 369790, 443748, 517706, 554685, 739580, 776559, 1035412, 1109370, 1294265, 1553118, 2218740, 2588530, 3106236, 3882795, 5177060, 7765590, 15531180]

約数ペア:

[(1, 15531180), (2, 7765590), (3, 5177060), (4, 3882795), (5, 3106236), (6, 2588530), (7, 2218740), (10, 1553118), (12, 1294265), (14, 1109370), (15, 1035412), (20, 776559), (21, 739580), (28, 554685), (30, 517706), (35, 443748), (42, 369790), (60, 258853), (70, 221874), (84, 184895), (105, 147916), (140, 110937), (210, 73958), (420, 36979)]