8454180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20129}}^1$

素因数の和:20148

約数の個数: 48

約数和(自身を含む): 27054720

約数和(自身を除く): 18600540

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, 20129, 40258, 60387, 80516, 100645, 120774, 140903, 201290, 241548, 281806, 301935, 402580, 422709, 563612, 603870, 704515, 845418, 1207740, 1409030, 1690836, 2113545, 2818060, 4227090, 8454180]

約数ペア:

[(1, 8454180), (2, 4227090), (3, 2818060), (4, 2113545), (5, 1690836), (6, 1409030), (7, 1207740), (10, 845418), (12, 704515), (14, 603870), (15, 563612), (20, 422709), (21, 402580), (28, 301935), (30, 281806), (35, 241548), (42, 201290), (60, 140903), (70, 120774), (84, 100645), (105, 80516), (140, 60387), (210, 40258), (420, 20129)]