161847420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385351}}^1$

素因数の和:385370

約数の個数: 48

約数和(自身を含む): 517913088

約数和(自身を除く): 356065668

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, 385351, 770702, 1156053, 1541404, 1926755, 2312106, 2697457, 3853510, 4624212, 5394914, 5780265, 7707020, 8092371, 10789828, 11560530, 13487285, 16184742, 23121060, 26974570, 32369484, 40461855, 53949140, 80923710, 161847420]

約数ペア:

[(1, 161847420), (2, 80923710), (3, 53949140), (4, 40461855), (5, 32369484), (6, 26974570), (7, 23121060), (10, 16184742), (12, 13487285), (14, 11560530), (15, 10789828), (20, 8092371), (21, 7707020), (28, 5780265), (30, 5394914), (35, 4624212), (42, 3853510), (60, 2697457), (70, 2312106), (84, 1926755), (105, 1541404), (140, 1156053), (210, 770702), (420, 385351)]