164248140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391067}}^1$

素因数の和:391086

約数の個数: 48

約数和(自身を含む): 525595392

約数和(自身を除く): 361347252

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, 391067, 782134, 1173201, 1564268, 1955335, 2346402, 2737469, 3910670, 4692804, 5474938, 5866005, 7821340, 8212407, 10949876, 11732010, 13687345, 16424814, 23464020, 27374690, 32849628, 41062035, 54749380, 82124070, 164248140]

約数ペア:

[(1, 164248140), (2, 82124070), (3, 54749380), (4, 41062035), (5, 32849628), (6, 27374690), (7, 23464020), (10, 16424814), (12, 13687345), (14, 11732010), (15, 10949876), (20, 8212407), (21, 7821340), (28, 5866005), (30, 5474938), (35, 4692804), (42, 3910670), (60, 2737469), (70, 2346402), (84, 1955335), (105, 1564268), (140, 1173201), (210, 782134), (420, 391067)]