208067940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128437}}^1$

素因数の和:128458

約数の個数: 60

約数和(自身を含む): 652721916

約数和(自身を除く): 444653976

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, 128437, 256874, 385311, 513748, 642185, 770622, 1155933, 1284370, 1541244, 1926555, 2311866, 2568740, 3467799, 3853110, 4623732, 5779665, 6935598, 7706220, 10403397, 11559330, 13871196, 17338995, 20806794, 23118660, 34677990, 41613588, 52016985, 69355980, 104033970, 208067940]

約数ペア:

[(1, 208067940), (2, 104033970), (3, 69355980), (4, 52016985), (5, 41613588), (6, 34677990), (9, 23118660), (10, 20806794), (12, 17338995), (15, 13871196), (18, 11559330), (20, 10403397), (27, 7706220), (30, 6935598), (36, 5779665), (45, 4623732), (54, 3853110), (60, 3467799), (81, 2568740), (90, 2311866), (108, 1926555), (135, 1541244), (162, 1284370), (180, 1155933), (270, 770622), (324, 642185), (405, 513748), (540, 385311), (810, 256874), (1620, 128437)]