895980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 2550240

約数和(自身を除く): 1654260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 137, 218, 274, 327, 411, 436, 545, 548, 654, 685, 822, 1090, 1308, 1370, 1635, 1644, 2055, 2180, 2740, 3270, 4110, 6540, 8220, 14933, 29866, 44799, 59732, 74665, 89598, 149330, 179196, 223995, 298660, 447990, 895980]

約数ペア:

[(1, 895980), (2, 447990), (3, 298660), (4, 223995), (5, 179196), (6, 149330), (10, 89598), (12, 74665), (15, 59732), (20, 44799), (30, 29866), (60, 14933), (109, 8220), (137, 6540), (218, 4110), (274, 3270), (327, 2740), (411, 2180), (436, 2055), (545, 1644), (548, 1635), (654, 1370), (685, 1308), (822, 1090)]