551747280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{328421}}^1$

素因数の和:328444

約数の個数: 80

約数和(自身を含む): 1954767744

約数和(自身を除く): 1403020464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 328421, 656842, 985263, 1313684, 1642105, 1970526, 2298947, 2627368, 3284210, 3941052, 4597894, 4926315, 5254736, 6568420, 6896841, 7882104, 9195788, 9852630, 11494735, 13136840, 13793682, 15764208, 18391576, 19705260, 22989470, 26273680, 27587364, 34484205, 36783152, 39410520, 45978940, 55174728, 68968410, 78821040, 91957880, 110349456, 137936820, 183915760, 275873640, 551747280]

約数ペア:

[(1, 551747280), (2, 275873640), (3, 183915760), (4, 137936820), (5, 110349456), (6, 91957880), (7, 78821040), (8, 68968410), (10, 55174728), (12, 45978940), (14, 39410520), (15, 36783152), (16, 34484205), (20, 27587364), (21, 26273680), (24, 22989470), (28, 19705260), (30, 18391576), (35, 15764208), (40, 13793682), (42, 13136840), (48, 11494735), (56, 9852630), (60, 9195788), (70, 7882104), (80, 6896841), (84, 6568420), (105, 5254736), (112, 4926315), (120, 4597894), (140, 3941052), (168, 3284210), (210, 2627368), (240, 2298947), (280, 1970526), (336, 1642105), (420, 1313684), (560, 985263), (840, 656842), (1680, 328421)]