7426020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17681}}^1$

素因数の和:17700

約数の個数: 48

約数和(自身を含む): 23764608

約数和(自身を除く): 16338588

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, 17681, 35362, 53043, 70724, 88405, 106086, 123767, 176810, 212172, 247534, 265215, 353620, 371301, 495068, 530430, 618835, 742602, 1060860, 1237670, 1485204, 1856505, 2475340, 3713010, 7426020]

約数ペア:

[(1, 7426020), (2, 3713010), (3, 2475340), (4, 1856505), (5, 1485204), (6, 1237670), (7, 1060860), (10, 742602), (12, 618835), (14, 530430), (15, 495068), (20, 371301), (21, 353620), (28, 265215), (30, 247534), (35, 212172), (42, 176810), (60, 123767), (70, 106086), (84, 88405), (105, 70724), (140, 53043), (210, 35362), (420, 17681)]