16491440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{601}}^1$

素因数の和:635

約数の個数: 80

約数和(自身を含む): 44788800

約数和(自身を除く): 28297360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 601, 686, 784, 980, 1202, 1372, 1715, 1960, 2404, 2744, 3005, 3430, 3920, 4207, 4808, 5488, 6010, 6860, 8414, 9616, 12020, 13720, 16828, 21035, 24040, 27440, 29449, 33656, 42070, 48080, 58898, 67312, 84140, 117796, 147245, 168280, 206143, 235592, 294490, 336560, 412286, 471184, 588980, 824572, 1030715, 1177960, 1649144, 2061430, 2355920, 3298288, 4122860, 8245720, 16491440]

約数ペア:

[(1, 16491440), (2, 8245720), (4, 4122860), (5, 3298288), (7, 2355920), (8, 2061430), (10, 1649144), (14, 1177960), (16, 1030715), (20, 824572), (28, 588980), (35, 471184), (40, 412286), (49, 336560), (56, 294490), (70, 235592), (80, 206143), (98, 168280), (112, 147245), (140, 117796), (196, 84140), (245, 67312), (280, 58898), (343, 48080), (392, 42070), (490, 33656), (560, 29449), (601, 27440), (686, 24040), (784, 21035), (980, 16828), (1202, 13720), (1372, 12020), (1715, 9616), (1960, 8414), (2404, 6860), (2744, 6010), (3005, 5488), (3430, 4808), (3920, 4207)]