805915980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{497479}}^1$

素因数の和:497500

約数の個数: 60

約数和(自身を含む): 2528193360

約数和(自身を除く): 1722277380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 497479, 994958, 1492437, 1989916, 2487395, 2984874, 4477311, 4974790, 5969748, 7462185, 8954622, 9949580, 13431933, 14924370, 17909244, 22386555, 26863866, 29848740, 40295799, 44773110, 53727732, 67159665, 80591598, 89546220, 134319330, 161183196, 201478995, 268638660, 402957990, 805915980]

約数ペア:

[(1, 805915980), (2, 402957990), (3, 268638660), (4, 201478995), (5, 161183196), (6, 134319330), (9, 89546220), (10, 80591598), (12, 67159665), (15, 53727732), (18, 44773110), (20, 40295799), (27, 29848740), (30, 26863866), (36, 22386555), (45, 17909244), (54, 14924370), (60, 13431933), (81, 9949580), (90, 8954622), (108, 7462185), (135, 5969748), (162, 4974790), (180, 4477311), (270, 2984874), (324, 2487395), (405, 1989916), (540, 1492437), (810, 994958), (1620, 497479)]