280385688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 807148800

約数和(自身を除く): 526763112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 53, 58, 66, 87, 88, 106, 116, 132, 159, 174, 212, 232, 264, 318, 319, 348, 424, 583, 636, 638, 691, 696, 957, 1166, 1272, 1276, 1382, 1537, 1749, 1914, 2073, 2332, 2552, 2764, 3074, 3498, 3828, 4146, 4611, 4664, 5528, 6148, 6996, 7601, 7656, 8292, 9222, 12296, 13992, 15202, 16584, 16907, 18444, 20039, 22803, 30404, 33814, 36623, 36888, 40078, 45606, 50721, 60117, 60808, 67628, 73246, 80156, 91212, 101442, 109869, 120234, 135256, 146492, 160312, 182424, 202884, 219738, 220429, 240468, 292984, 402853, 405768, 439476, 440858, 480936, 661287, 805706, 878952, 881716, 1062067, 1208559, 1322574, 1611412, 1763432, 2124134, 2417118, 2645148, 3186201, 3222824, 4248268, 4834236, 5290296, 6372402, 8496536, 9668472, 11682737, 12744804, 23365474, 25489608, 35048211, 46730948, 70096422, 93461896, 140192844, 280385688]

約数ペア:

[(1, 280385688), (2, 140192844), (3, 93461896), (4, 70096422), (6, 46730948), (8, 35048211), (11, 25489608), (12, 23365474), (22, 12744804), (24, 11682737), (29, 9668472), (33, 8496536), (44, 6372402), (53, 5290296), (58, 4834236), (66, 4248268), (87, 3222824), (88, 3186201), (106, 2645148), (116, 2417118), (132, 2124134), (159, 1763432), (174, 1611412), (212, 1322574), (232, 1208559), (264, 1062067), (318, 881716), (319, 878952), (348, 805706), (424, 661287), (583, 480936), (636, 440858), (638, 439476), (691, 405768), (696, 402853), (957, 292984), (1166, 240468), (1272, 220429), (1276, 219738), (1382, 202884), (1537, 182424), (1749, 160312), (1914, 146492), (2073, 135256), (2332, 120234), (2552, 109869), (2764, 101442), (3074, 91212), (3498, 80156), (3828, 73246), (4146, 67628), (4611, 60808), (4664, 60117), (5528, 50721), (6148, 45606), (6996, 40078), (7601, 36888), (7656, 36623), (8292, 33814), (9222, 30404), (12296, 22803), (13992, 20039), (15202, 18444), (16584, 16907)]