84864080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21649}}^1$

素因数の和:21676

約数の個数: 60

約数和(自身を含む): 229533300

約数和(自身を除く): 144669220

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, 21649, 43298, 86596, 108245, 151543, 173192, 216490, 303086, 346384, 432980, 606172, 757715, 865960, 1060801, 1212344, 1515430, 1731920, 2121602, 2424688, 3030860, 4243204, 5304005, 6061720, 8486408, 10608010, 12123440, 16972816, 21216020, 42432040, 84864080]

約数ペア:

[(1, 84864080), (2, 42432040), (4, 21216020), (5, 16972816), (7, 12123440), (8, 10608010), (10, 8486408), (14, 6061720), (16, 5304005), (20, 4243204), (28, 3030860), (35, 2424688), (40, 2121602), (49, 1731920), (56, 1515430), (70, 1212344), (80, 1060801), (98, 865960), (112, 757715), (140, 606172), (196, 432980), (245, 346384), (280, 303086), (392, 216490), (490, 173192), (560, 151543), (784, 108245), (980, 86596), (1960, 43298), (3920, 21649)]