821220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13687}}^1$

素因数の和:13699

約数の個数: 24

約数和(自身を含む): 2299584

約数和(自身を除く): 1478364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 13687, 27374, 41061, 54748, 68435, 82122, 136870, 164244, 205305, 273740, 410610, 821220]

約数ペア:

[(1, 821220), (2, 410610), (3, 273740), (4, 205305), (5, 164244), (6, 136870), (10, 82122), (12, 68435), (15, 54748), (20, 41061), (30, 27374), (60, 13687)]