262695120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4259}}^1$

素因数の和:4532

約数の個数: 80

約数和(自身を含む): 817715520

約数和(自身を除く): 555020400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 4259, 5140, 6168, 7710, 8518, 10280, 12336, 12777, 15420, 17036, 20560, 21295, 25554, 30840, 34072, 42590, 51108, 61680, 63885, 68144, 85180, 102216, 127770, 170360, 204432, 255540, 340720, 511080, 1022160, 1094563, 2189126, 3283689, 4378252, 5472815, 6567378, 8756504, 10945630, 13134756, 16418445, 17513008, 21891260, 26269512, 32836890, 43782520, 52539024, 65673780, 87565040, 131347560, 262695120]

約数ペア:

[(1, 262695120), (2, 131347560), (3, 87565040), (4, 65673780), (5, 52539024), (6, 43782520), (8, 32836890), (10, 26269512), (12, 21891260), (15, 17513008), (16, 16418445), (20, 13134756), (24, 10945630), (30, 8756504), (40, 6567378), (48, 5472815), (60, 4378252), (80, 3283689), (120, 2189126), (240, 1094563), (257, 1022160), (514, 511080), (771, 340720), (1028, 255540), (1285, 204432), (1542, 170360), (2056, 127770), (2570, 102216), (3084, 85180), (3855, 68144), (4112, 63885), (4259, 61680), (5140, 51108), (6168, 42590), (7710, 34072), (8518, 30840), (10280, 25554), (12336, 21295), (12777, 20560), (15420, 17036)]