280405104

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1901}}^1$

素因数の和:2358

約数の個数: 80

約数和(自身を含む): 830184960

約数和(自身を除く): 549779856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 439, 878, 1317, 1756, 1901, 2634, 3073, 3512, 3802, 5268, 5703, 6146, 7024, 7604, 9219, 10536, 11406, 12292, 13307, 15208, 18438, 21072, 22812, 24584, 26614, 30416, 36876, 39921, 45624, 49168, 53228, 73752, 79842, 91248, 106456, 147504, 159684, 212912, 319368, 638736, 834539, 1669078, 2503617, 3338156, 5007234, 5841773, 6676312, 10014468, 11683546, 13352624, 17525319, 20028936, 23367092, 35050638, 40057872, 46734184, 70101276, 93468368, 140202552, 280405104]

約数ペア:

[(1, 280405104), (2, 140202552), (3, 93468368), (4, 70101276), (6, 46734184), (7, 40057872), (8, 35050638), (12, 23367092), (14, 20028936), (16, 17525319), (21, 13352624), (24, 11683546), (28, 10014468), (42, 6676312), (48, 5841773), (56, 5007234), (84, 3338156), (112, 2503617), (168, 1669078), (336, 834539), (439, 638736), (878, 319368), (1317, 212912), (1756, 159684), (1901, 147504), (2634, 106456), (3073, 91248), (3512, 79842), (3802, 73752), (5268, 53228), (5703, 49168), (6146, 45624), (7024, 39921), (7604, 36876), (9219, 30416), (10536, 26614), (11406, 24584), (12292, 22812), (13307, 21072), (15208, 18438)]