67542680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 157386240

約数和(自身を除く): 89843560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 367, 428, 430, 535, 734, 856, 860, 1070, 1468, 1720, 1835, 2140, 2936, 3670, 4280, 4601, 7340, 9202, 14680, 15781, 18404, 23005, 31562, 36808, 39269, 46010, 63124, 78538, 78905, 92020, 126248, 157076, 157810, 184040, 196345, 314152, 315620, 392690, 631240, 785380, 1570760, 1688567, 3377134, 6754268, 8442835, 13508536, 16885670, 33771340, 67542680]

約数ペア:

[(1, 67542680), (2, 33771340), (4, 16885670), (5, 13508536), (8, 8442835), (10, 6754268), (20, 3377134), (40, 1688567), (43, 1570760), (86, 785380), (107, 631240), (172, 392690), (214, 315620), (215, 314152), (344, 196345), (367, 184040), (428, 157810), (430, 157076), (535, 126248), (734, 92020), (856, 78905), (860, 78538), (1070, 63124), (1468, 46010), (1720, 39269), (1835, 36808), (2140, 31562), (2936, 23005), (3670, 18404), (4280, 15781), (4601, 14680), (7340, 9202)]