28788060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68543}}^1$

素因数の和:68562

約数の個数: 48

約数和(自身を含む): 92123136

約数和(自身を除く): 63335076

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, 68543, 137086, 205629, 274172, 342715, 411258, 479801, 685430, 822516, 959602, 1028145, 1370860, 1439403, 1919204, 2056290, 2399005, 2878806, 4112580, 4798010, 5757612, 7197015, 9596020, 14394030, 28788060]

約数ペア:

[(1, 28788060), (2, 14394030), (3, 9596020), (4, 7197015), (5, 5757612), (6, 4798010), (7, 4112580), (10, 2878806), (12, 2399005), (14, 2056290), (15, 1919204), (20, 1439403), (21, 1370860), (28, 1028145), (30, 959602), (35, 822516), (42, 685430), (60, 479801), (70, 411258), (84, 342715), (105, 274172), (140, 205629), (210, 137086), (420, 68543)]