78568140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187067}}^1$

素因数の和:187086

約数の個数: 48

約数和(自身を含む): 251419392

約数和(自身を除く): 172851252

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, 187067, 374134, 561201, 748268, 935335, 1122402, 1309469, 1870670, 2244804, 2618938, 2806005, 3741340, 3928407, 5237876, 5612010, 6547345, 7856814, 11224020, 13094690, 15713628, 19642035, 26189380, 39284070, 78568140]

約数ペア:

[(1, 78568140), (2, 39284070), (3, 26189380), (4, 19642035), (5, 15713628), (6, 13094690), (7, 11224020), (10, 7856814), (12, 6547345), (14, 5612010), (15, 5237876), (20, 3928407), (21, 3741340), (28, 2806005), (30, 2618938), (35, 2244804), (42, 1870670), (60, 1309469), (70, 1122402), (84, 935335), (105, 748268), (140, 561201), (210, 374134), (420, 187067)]