82880560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21143}}^1$

素因数の和:21170

約数の個数: 60

約数和(自身を含む): 224168688

約数和(自身を除く): 141288128

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, 392, 490, 560, 784, 980, 1960, 3920, 21143, 42286, 84572, 105715, 148001, 169144, 211430, 296002, 338288, 422860, 592004, 740005, 845720, 1036007, 1184008, 1480010, 1691440, 2072014, 2368016, 2960020, 4144028, 5180035, 5920040, 8288056, 10360070, 11840080, 16576112, 20720140, 41440280, 82880560]

約数ペア:

[(1, 82880560), (2, 41440280), (4, 20720140), (5, 16576112), (7, 11840080), (8, 10360070), (10, 8288056), (14, 5920040), (16, 5180035), (20, 4144028), (28, 2960020), (35, 2368016), (40, 2072014), (49, 1691440), (56, 1480010), (70, 1184008), (80, 1036007), (98, 845720), (112, 740005), (140, 592004), (196, 422860), (245, 338288), (280, 296002), (392, 211430), (490, 169144), (560, 148001), (784, 105715), (980, 84572), (1960, 42286), (3920, 21143)]