28140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 91392

約数和(自身を除く): 63252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 1005, 1340, 1407, 1876, 2010, 2345, 2814, 4020, 4690, 5628, 7035, 9380, 14070, 28140]

約数ペア:

[(1, 28140), (2, 14070), (3, 9380), (4, 7035), (5, 5628), (6, 4690), (7, 4020), (10, 2814), (12, 2345), (14, 2010), (15, 1876), (20, 1407), (21, 1340), (28, 1005), (30, 938), (35, 804), (42, 670), (60, 469), (67, 420), (70, 402), (84, 335), (105, 268), (134, 210), (140, 201)]