408728880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{81097}}^1$

素因数の和:81123

約数の個数: 120

約数和(自身を含む): 1568759712

約数和(自身を除く): 1160030832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 81097, 162194, 243291, 324388, 405485, 486582, 567679, 648776, 729873, 810970, 973164, 1135358, 1216455, 1297552, 1459746, 1621940, 1703037, 1946328, 2270716, 2432910, 2838395, 2919492, 3243880, 3406074, 3649365, 3892656, 4541432, 4865820, 5109111, 5676790, 5838984, 6487760, 6812148, 7298730, 8515185, 9082864, 9731640, 10218222, 11353580, 11677968, 13624296, 14597460, 17030370, 19463280, 20436444, 22707160, 25545555, 27248592, 29194920, 34060740, 40872888, 45414320, 51091110, 58389840, 68121480, 81745776, 102182220, 136242960, 204364440, 408728880]

約数ペア:

[(1, 408728880), (2, 204364440), (3, 136242960), (4, 102182220), (5, 81745776), (6, 68121480), (7, 58389840), (8, 51091110), (9, 45414320), (10, 40872888), (12, 34060740), (14, 29194920), (15, 27248592), (16, 25545555), (18, 22707160), (20, 20436444), (21, 19463280), (24, 17030370), (28, 14597460), (30, 13624296), (35, 11677968), (36, 11353580), (40, 10218222), (42, 9731640), (45, 9082864), (48, 8515185), (56, 7298730), (60, 6812148), (63, 6487760), (70, 5838984), (72, 5676790), (80, 5109111), (84, 4865820), (90, 4541432), (105, 3892656), (112, 3649365), (120, 3406074), (126, 3243880), (140, 2919492), (144, 2838395), (168, 2432910), (180, 2270716), (210, 1946328), (240, 1703037), (252, 1621940), (280, 1459746), (315, 1297552), (336, 1216455), (360, 1135358), (420, 973164), (504, 810970), (560, 729873), (630, 648776), (720, 567679), (840, 486582), (1008, 405485), (1260, 324388), (1680, 243291), (2520, 162194), (5040, 81097)]