813804180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1937629}}^1$

素因数の和:1937648

約数の個数: 48

約数和(自身を含む): 2604174720

約数和(自身を除く): 1790370540

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, 1937629, 3875258, 5812887, 7750516, 9688145, 11625774, 13563403, 19376290, 23251548, 27126806, 29064435, 38752580, 40690209, 54253612, 58128870, 67817015, 81380418, 116257740, 135634030, 162760836, 203451045, 271268060, 406902090, 813804180]

約数ペア:

[(1, 813804180), (2, 406902090), (3, 271268060), (4, 203451045), (5, 162760836), (6, 135634030), (7, 116257740), (10, 81380418), (12, 67817015), (14, 58128870), (15, 54253612), (20, 40690209), (21, 38752580), (28, 29064435), (30, 27126806), (35, 23251548), (42, 19376290), (60, 13563403), (70, 11625774), (84, 9688145), (105, 7750516), (140, 5812887), (210, 3875258), (420, 1937629)]