6660780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{15859}}^1$

素因数の和:15878

約数の個数: 48

約数和(自身を含む): 21315840

約数和(自身を除く): 14655060

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, 15859, 31718, 47577, 63436, 79295, 95154, 111013, 158590, 190308, 222026, 237885, 317180, 333039, 444052, 475770, 555065, 666078, 951540, 1110130, 1332156, 1665195, 2220260, 3330390, 6660780]

約数ペア:

[(1, 6660780), (2, 3330390), (3, 2220260), (4, 1665195), (5, 1332156), (6, 1110130), (7, 951540), (10, 666078), (12, 555065), (14, 475770), (15, 444052), (20, 333039), (21, 317180), (28, 237885), (30, 222026), (35, 190308), (42, 158590), (60, 111013), (70, 95154), (84, 79295), (105, 63436), (140, 47577), (210, 31718), (420, 15859)]