128741220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715229}}^1$

素因数の和:715244

約数の個数: 36

約数和(自身を含む): 390515580

約数和(自身を除く): 261774360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715229, 1430458, 2145687, 2860916, 3576145, 4291374, 6437061, 7152290, 8582748, 10728435, 12874122, 14304580, 21456870, 25748244, 32185305, 42913740, 64370610, 128741220]

約数ペア:

[(1, 128741220), (2, 64370610), (3, 42913740), (4, 32185305), (5, 25748244), (6, 21456870), (9, 14304580), (10, 12874122), (12, 10728435), (15, 8582748), (18, 7152290), (20, 6437061), (30, 4291374), (36, 3576145), (45, 2860916), (60, 2145687), (90, 1430458), (180, 715229)]