168709380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{401689}}^1$

素因数の和:401708

約数の個数: 48

約数和(自身を含む): 539871360

約数和(自身を除く): 371161980

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, 401689, 803378, 1205067, 1606756, 2008445, 2410134, 2811823, 4016890, 4820268, 5623646, 6025335, 8033780, 8435469, 11247292, 12050670, 14059115, 16870938, 24101340, 28118230, 33741876, 42177345, 56236460, 84354690, 168709380]

約数ペア:

[(1, 168709380), (2, 84354690), (3, 56236460), (4, 42177345), (5, 33741876), (6, 28118230), (7, 24101340), (10, 16870938), (12, 14059115), (14, 12050670), (15, 11247292), (20, 8435469), (21, 8033780), (28, 6025335), (30, 5623646), (35, 4820268), (42, 4016890), (60, 2811823), (70, 2410134), (84, 2008445), (105, 1606756), (140, 1205067), (210, 803378), (420, 401689)]