68413380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162889}}^1$

素因数の和:162908

約数の個数: 48

約数和(自身を含む): 218924160

約数和(自身を除く): 150510780

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, 162889, 325778, 488667, 651556, 814445, 977334, 1140223, 1628890, 1954668, 2280446, 2443335, 3257780, 3420669, 4560892, 4886670, 5701115, 6841338, 9773340, 11402230, 13682676, 17103345, 22804460, 34206690, 68413380]

約数ペア:

[(1, 68413380), (2, 34206690), (3, 22804460), (4, 17103345), (5, 13682676), (6, 11402230), (7, 9773340), (10, 6841338), (12, 5701115), (14, 4886670), (15, 4560892), (20, 3420669), (21, 3257780), (28, 2443335), (30, 2280446), (35, 1954668), (42, 1628890), (60, 1140223), (70, 977334), (84, 814445), (105, 651556), (140, 488667), (210, 325778), (420, 162889)]