8461740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20147}}^1$

素因数の和:20166

約数の個数: 48

約数和(自身を含む): 27078912

約数和(自身を除く): 18617172

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, 20147, 40294, 60441, 80588, 100735, 120882, 141029, 201470, 241764, 282058, 302205, 402940, 423087, 564116, 604410, 705145, 846174, 1208820, 1410290, 1692348, 2115435, 2820580, 4230870, 8461740]

約数ペア:

[(1, 8461740), (2, 4230870), (3, 2820580), (4, 2115435), (5, 1692348), (6, 1410290), (7, 1208820), (10, 846174), (12, 705145), (14, 604410), (15, 564116), (20, 423087), (21, 402940), (28, 302205), (30, 282058), (35, 241764), (42, 201470), (60, 141029), (70, 120882), (84, 100735), (105, 80588), (140, 60441), (210, 40294), (420, 20147)]