219903660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135743}}^1$

素因数の和:135764

約数の個数: 60

約数和(自身を含む): 689851008

約数和(自身を除く): 469947348

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, 135743, 271486, 407229, 542972, 678715, 814458, 1221687, 1357430, 1628916, 2036145, 2443374, 2714860, 3665061, 4072290, 4886748, 6108435, 7330122, 8144580, 10995183, 12216870, 14660244, 18325305, 21990366, 24433740, 36650610, 43980732, 54975915, 73301220, 109951830, 219903660]

約数ペア:

[(1, 219903660), (2, 109951830), (3, 73301220), (4, 54975915), (5, 43980732), (6, 36650610), (9, 24433740), (10, 21990366), (12, 18325305), (15, 14660244), (18, 12216870), (20, 10995183), (27, 8144580), (30, 7330122), (36, 6108435), (45, 4886748), (54, 4072290), (60, 3665061), (81, 2714860), (90, 2443374), (108, 2036145), (135, 1628916), (162, 1357430), (180, 1221687), (270, 814458), (324, 678715), (405, 542972), (540, 407229), (810, 271486), (1620, 135743)]