128984040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358289}}^1$

素因数の和:358306

約数の個数: 48

約数和(自身を含む): 419199300

約数和(自身を除く): 290215260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 358289, 716578, 1074867, 1433156, 1791445, 2149734, 2866312, 3224601, 3582890, 4299468, 5374335, 6449202, 7165780, 8598936, 10748670, 12898404, 14331560, 16123005, 21497340, 25796808, 32246010, 42994680, 64492020, 128984040]

約数ペア:

[(1, 128984040), (2, 64492020), (3, 42994680), (4, 32246010), (5, 25796808), (6, 21497340), (8, 16123005), (9, 14331560), (10, 12898404), (12, 10748670), (15, 8598936), (18, 7165780), (20, 6449202), (24, 5374335), (30, 4299468), (36, 3582890), (40, 3224601), (45, 2866312), (60, 2149734), (72, 1791445), (90, 1433156), (120, 1074867), (180, 716578), (360, 358289)]