680741355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 1288765440

約数和(自身を除く): 608024085

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 137, 185, 259, 411, 555, 685, 777, 959, 1279, 1295, 2055, 2877, 3837, 3885, 4795, 5069, 6395, 8953, 14385, 15207, 19185, 25345, 26859, 35483, 44765, 47323, 76035, 106449, 134295, 141969, 175223, 177415, 236615, 331261, 525669, 532245, 709845, 876115, 993783, 1226561, 1656305, 2628345, 3679683, 4968915, 6132805, 6483251, 18398415, 19449753, 32416255, 45382757, 97248765, 136148271, 226913785, 680741355]

約数ペア:

[(1, 680741355), (3, 226913785), (5, 136148271), (7, 97248765), (15, 45382757), (21, 32416255), (35, 19449753), (37, 18398415), (105, 6483251), (111, 6132805), (137, 4968915), (185, 3679683), (259, 2628345), (411, 1656305), (555, 1226561), (685, 993783), (777, 876115), (959, 709845), (1279, 532245), (1295, 525669), (2055, 331261), (2877, 236615), (3837, 177415), (3885, 175223), (4795, 141969), (5069, 134295), (6395, 106449), (8953, 76035), (14385, 47323), (15207, 44765), (19185, 35483), (25345, 26859)]