15280160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1978

約数の個数: 72

約数和(自身を含む): 42014700

約数和(自身を除く): 26734540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1949, 1960, 3898, 3920, 7796, 7840, 9745, 13643, 15592, 19490, 27286, 31184, 38980, 54572, 62368, 68215, 77960, 95501, 109144, 136430, 155920, 191002, 218288, 272860, 311840, 382004, 436576, 477505, 545720, 764008, 955010, 1091440, 1528016, 1910020, 2182880, 3056032, 3820040, 7640080, 15280160]

約数ペア:

[(1, 15280160), (2, 7640080), (4, 3820040), (5, 3056032), (7, 2182880), (8, 1910020), (10, 1528016), (14, 1091440), (16, 955010), (20, 764008), (28, 545720), (32, 477505), (35, 436576), (40, 382004), (49, 311840), (56, 272860), (70, 218288), (80, 191002), (98, 155920), (112, 136430), (140, 109144), (160, 95501), (196, 77960), (224, 68215), (245, 62368), (280, 54572), (392, 38980), (490, 31184), (560, 27286), (784, 19490), (980, 15592), (1120, 13643), (1568, 9745), (1949, 7840), (1960, 7796), (3898, 3920)]