204821220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5309}}^1$

素因数の和:5964

約数の個数: 48

約数和(自身を含む): 574499520

約数和(自身を除く): 369678300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 5309, 6430, 7716, 9645, 10618, 12860, 15927, 19290, 21236, 26545, 31854, 38580, 53090, 63708, 79635, 106180, 159270, 318540, 3413687, 6827374, 10241061, 13654748, 17068435, 20482122, 34136870, 40964244, 51205305, 68273740, 102410610, 204821220]

約数ペア:

[(1, 204821220), (2, 102410610), (3, 68273740), (4, 51205305), (5, 40964244), (6, 34136870), (10, 20482122), (12, 17068435), (15, 13654748), (20, 10241061), (30, 6827374), (60, 3413687), (643, 318540), (1286, 159270), (1929, 106180), (2572, 79635), (3215, 63708), (3858, 53090), (5309, 38580), (6430, 31854), (7716, 26545), (9645, 21236), (10618, 19290), (12860, 15927)]