30021180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71479}}^1$

素因数の和:71498

約数の個数: 48

約数和(自身を含む): 96069120

約数和(自身を除く): 66047940

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, 71479, 142958, 214437, 285916, 357395, 428874, 500353, 714790, 857748, 1000706, 1072185, 1429580, 1501059, 2001412, 2144370, 2501765, 3002118, 4288740, 5003530, 6004236, 7505295, 10007060, 15010590, 30021180]

約数ペア:

[(1, 30021180), (2, 15010590), (3, 10007060), (4, 7505295), (5, 6004236), (6, 5003530), (7, 4288740), (10, 3002118), (12, 2501765), (14, 2144370), (15, 2001412), (20, 1501059), (21, 1429580), (28, 1072185), (30, 1000706), (35, 857748), (42, 714790), (60, 500353), (70, 428874), (84, 357395), (105, 285916), (140, 214437), (210, 142958), (420, 71479)]