128976840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 432432000

約数和(自身を除く): 303455160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 307, 360, 389, 540, 614, 778, 921, 1080, 1167, 1228, 1535, 1556, 1842, 1945, 2334, 2456, 2763, 3070, 3112, 3501, 3684, 3890, 4605, 4668, 5526, 5835, 6140, 7002, 7368, 7780, 8289, 9210, 9336, 10503, 11052, 11670, 12280, 13815, 14004, 15560, 16578, 17505, 18420, 21006, 22104, 23340, 27630, 28008, 33156, 35010, 36840, 41445, 42012, 46680, 52515, 55260, 66312, 70020, 82890, 84024, 105030, 110520, 119423, 140040, 165780, 210060, 238846, 331560, 358269, 420120, 477692, 597115, 716538, 955384, 1074807, 1194230, 1433076, 1791345, 2149614, 2388460, 2866152, 3224421, 3582690, 4299228, 4776920, 5374035, 6448842, 7165380, 8598456, 10748070, 12897684, 14330760, 16122105, 21496140, 25795368, 32244210, 42992280, 64488420, 128976840]

約数ペア:

[(1, 128976840), (2, 64488420), (3, 42992280), (4, 32244210), (5, 25795368), (6, 21496140), (8, 16122105), (9, 14330760), (10, 12897684), (12, 10748070), (15, 8598456), (18, 7165380), (20, 6448842), (24, 5374035), (27, 4776920), (30, 4299228), (36, 3582690), (40, 3224421), (45, 2866152), (54, 2388460), (60, 2149614), (72, 1791345), (90, 1433076), (108, 1194230), (120, 1074807), (135, 955384), (180, 716538), (216, 597115), (270, 477692), (307, 420120), (360, 358269), (389, 331560), (540, 238846), (614, 210060), (778, 165780), (921, 140040), (1080, 119423), (1167, 110520), (1228, 105030), (1535, 84024), (1556, 82890), (1842, 70020), (1945, 66312), (2334, 55260), (2456, 52515), (2763, 46680), (3070, 42012), (3112, 41445), (3501, 36840), (3684, 35010), (3890, 33156), (4605, 28008), (4668, 27630), (5526, 23340), (5835, 22104), (6140, 21006), (7002, 18420), (7368, 17505), (7780, 16578), (8289, 15560), (9210, 14004), (9336, 13815), (10503, 12280), (11052, 11670)]