305814180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{728129}}^1$

素因数の和:728148

約数の個数: 48

約数和(自身を含む): 978606720

約数和(自身を除く): 672792540

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, 728129, 1456258, 2184387, 2912516, 3640645, 4368774, 5096903, 7281290, 8737548, 10193806, 10921935, 14562580, 15290709, 20387612, 21843870, 25484515, 30581418, 43687740, 50969030, 61162836, 76453545, 101938060, 152907090, 305814180]

約数ペア:

[(1, 305814180), (2, 152907090), (3, 101938060), (4, 76453545), (5, 61162836), (6, 50969030), (7, 43687740), (10, 30581418), (12, 25484515), (14, 21843870), (15, 20387612), (20, 15290709), (21, 14562580), (28, 10921935), (30, 10193806), (35, 8737548), (42, 7281290), (60, 5096903), (70, 4368774), (84, 3640645), (105, 2912516), (140, 2184387), (210, 1456258), (420, 728129)]