81688080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3181}}^1$

素因数の和:3304

約数の個数: 80

約数和(自身を含む): 255680064

約数和(自身を除く): 173991984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3181, 3210, 4280, 5136, 6362, 6420, 8560, 9543, 12724, 12840, 15905, 19086, 25448, 25680, 31810, 38172, 47715, 50896, 63620, 76344, 95430, 127240, 152688, 190860, 254480, 340367, 381720, 680734, 763440, 1021101, 1361468, 1701835, 2042202, 2722936, 3403670, 4084404, 5105505, 5445872, 6807340, 8168808, 10211010, 13614680, 16337616, 20422020, 27229360, 40844040, 81688080]

約数ペア:

[(1, 81688080), (2, 40844040), (3, 27229360), (4, 20422020), (5, 16337616), (6, 13614680), (8, 10211010), (10, 8168808), (12, 6807340), (15, 5445872), (16, 5105505), (20, 4084404), (24, 3403670), (30, 2722936), (40, 2042202), (48, 1701835), (60, 1361468), (80, 1021101), (107, 763440), (120, 680734), (214, 381720), (240, 340367), (321, 254480), (428, 190860), (535, 152688), (642, 127240), (856, 95430), (1070, 76344), (1284, 63620), (1605, 50896), (1712, 47715), (2140, 38172), (2568, 31810), (3181, 25680), (3210, 25448), (4280, 19086), (5136, 15905), (6362, 12840), (6420, 12724), (8560, 9543)]