12120780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28859}}^1$

素因数の和:28878

約数の個数: 48

約数和(自身を含む): 38787840

約数和(自身を除く): 26667060

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, 28859, 57718, 86577, 115436, 144295, 173154, 202013, 288590, 346308, 404026, 432885, 577180, 606039, 808052, 865770, 1010065, 1212078, 1731540, 2020130, 2424156, 3030195, 4040260, 6060390, 12120780]

約数ペア:

[(1, 12120780), (2, 6060390), (3, 4040260), (4, 3030195), (5, 2424156), (6, 2020130), (7, 1731540), (10, 1212078), (12, 1010065), (14, 865770), (15, 808052), (20, 606039), (21, 577180), (28, 432885), (30, 404026), (35, 346308), (42, 288590), (60, 202013), (70, 173154), (84, 144295), (105, 115436), (140, 86577), (210, 57718), (420, 28859)]