131430180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312929}}^1$

素因数の和:312948

約数の個数: 48

約数和(自身を含む): 420577920

約数和(自身を除く): 289147740

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, 312929, 625858, 938787, 1251716, 1564645, 1877574, 2190503, 3129290, 3755148, 4381006, 4693935, 6258580, 6571509, 8762012, 9387870, 10952515, 13143018, 18775740, 21905030, 26286036, 32857545, 43810060, 65715090, 131430180]

約数ペア:

[(1, 131430180), (2, 65715090), (3, 43810060), (4, 32857545), (5, 26286036), (6, 21905030), (7, 18775740), (10, 13143018), (12, 10952515), (14, 9387870), (15, 8762012), (20, 6571509), (21, 6258580), (28, 4693935), (30, 4381006), (35, 3755148), (42, 3129290), (60, 2190503), (70, 1877574), (84, 1564645), (105, 1251716), (140, 938787), (210, 625858), (420, 312929)]