172684120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{616729}}^1$

素因数の和:616747

約数の個数: 32

約数和(自身を含む): 444045600

約数和(自身を除く): 271361480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 616729, 1233458, 2466916, 3083645, 4317103, 4933832, 6167290, 8634206, 12334580, 17268412, 21585515, 24669160, 34536824, 43171030, 86342060, 172684120]

約数ペア:

[(1, 172684120), (2, 86342060), (4, 43171030), (5, 34536824), (7, 24669160), (8, 21585515), (10, 17268412), (14, 12334580), (20, 8634206), (28, 6167290), (35, 4933832), (40, 4317103), (56, 3083645), (70, 2466916), (140, 1233458), (280, 616729)]