205965720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{190709}}^1$

素因数の和:190729

約数の個数: 64

約数和(自身を含む): 686556000

約数和(自身を除く): 480590280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 190709, 381418, 572127, 762836, 953545, 1144254, 1525672, 1716381, 1907090, 2288508, 2860635, 3432762, 3814180, 4577016, 5149143, 5721270, 6865524, 7628360, 8581905, 10298286, 11442540, 13731048, 17163810, 20596572, 22885080, 25745715, 34327620, 41193144, 51491430, 68655240, 102982860, 205965720]

約数ペア:

[(1, 205965720), (2, 102982860), (3, 68655240), (4, 51491430), (5, 41193144), (6, 34327620), (8, 25745715), (9, 22885080), (10, 20596572), (12, 17163810), (15, 13731048), (18, 11442540), (20, 10298286), (24, 8581905), (27, 7628360), (30, 6865524), (36, 5721270), (40, 5149143), (45, 4577016), (54, 3814180), (60, 3432762), (72, 2860635), (90, 2288508), (108, 1907090), (120, 1716381), (135, 1525672), (180, 1144254), (216, 953545), (270, 762836), (360, 572127), (540, 381418), (1080, 190709)]