330073520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{911}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 879372288

約数和(自身を除く): 549298768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 647, 911, 1294, 1822, 2588, 3235, 3644, 4529, 4555, 5176, 6377, 6470, 7288, 9058, 9110, 10352, 12754, 12940, 14576, 18116, 18220, 22645, 25508, 25880, 31885, 36232, 36440, 45290, 51016, 51760, 63770, 72464, 72880, 90580, 102032, 127540, 181160, 255080, 362320, 510160, 589417, 1178834, 2357668, 2947085, 4125919, 4715336, 5894170, 8251838, 9430672, 11788340, 16503676, 20629595, 23576680, 33007352, 41259190, 47153360, 66014704, 82518380, 165036760, 330073520]

約数ペア:

[(1, 330073520), (2, 165036760), (4, 82518380), (5, 66014704), (7, 47153360), (8, 41259190), (10, 33007352), (14, 23576680), (16, 20629595), (20, 16503676), (28, 11788340), (35, 9430672), (40, 8251838), (56, 5894170), (70, 4715336), (80, 4125919), (112, 2947085), (140, 2357668), (280, 1178834), (560, 589417), (647, 510160), (911, 362320), (1294, 255080), (1822, 181160), (2588, 127540), (3235, 102032), (3644, 90580), (4529, 72880), (4555, 72464), (5176, 63770), (6377, 51760), (6470, 51016), (7288, 45290), (9058, 36440), (9110, 36232), (10352, 31885), (12754, 25880), (12940, 25508), (14576, 22645), (18116, 18220)]