66977120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8543}}^1$

素因数の和:8572

約数の個数: 72

約数和(自身を含む): 184089024

約数和(自身を除く): 117111904

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, 1960, 3920, 7840, 8543, 17086, 34172, 42715, 59801, 68344, 85430, 119602, 136688, 170860, 239204, 273376, 299005, 341720, 418607, 478408, 598010, 683440, 837214, 956816, 1196020, 1366880, 1674428, 1913632, 2093035, 2392040, 3348856, 4186070, 4784080, 6697712, 8372140, 9568160, 13395424, 16744280, 33488560, 66977120]

約数ペア:

[(1, 66977120), (2, 33488560), (4, 16744280), (5, 13395424), (7, 9568160), (8, 8372140), (10, 6697712), (14, 4784080), (16, 4186070), (20, 3348856), (28, 2392040), (32, 2093035), (35, 1913632), (40, 1674428), (49, 1366880), (56, 1196020), (70, 956816), (80, 837214), (98, 683440), (112, 598010), (140, 478408), (160, 418607), (196, 341720), (224, 299005), (245, 273376), (280, 239204), (392, 170860), (490, 136688), (560, 119602), (784, 85430), (980, 68344), (1120, 59801), (1568, 42715), (1960, 34172), (3920, 17086), (7840, 8543)]