9180780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21859}}^1$

素因数の和:21878

約数の個数: 48

約数和(自身を含む): 29379840

約数和(自身を除く): 20199060

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, 21859, 43718, 65577, 87436, 109295, 131154, 153013, 218590, 262308, 306026, 327885, 437180, 459039, 612052, 655770, 765065, 918078, 1311540, 1530130, 1836156, 2295195, 3060260, 4590390, 9180780]

約数ペア:

[(1, 9180780), (2, 4590390), (3, 3060260), (4, 2295195), (5, 1836156), (6, 1530130), (7, 1311540), (10, 918078), (12, 765065), (14, 655770), (15, 612052), (20, 459039), (21, 437180), (28, 327885), (30, 306026), (35, 262308), (42, 218590), (60, 153013), (70, 131154), (84, 109295), (105, 87436), (140, 65577), (210, 43718), (420, 21859)]