205127640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{63311}}^1$

素因数の和:63334

約数の個数: 80

約数和(自身を含む): 689467680

約数和(自身を除く): 484340040

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 63311, 126622, 189933, 253244, 316555, 379866, 506488, 569799, 633110, 759732, 949665, 1139598, 1266220, 1519464, 1709397, 1899330, 2279196, 2532440, 2848995, 3418794, 3798660, 4558392, 5128191, 5697990, 6837588, 7597320, 8546985, 10256382, 11395980, 13675176, 17093970, 20512764, 22791960, 25640955, 34187940, 41025528, 51281910, 68375880, 102563820, 205127640]

約数ペア:

[(1, 205127640), (2, 102563820), (3, 68375880), (4, 51281910), (5, 41025528), (6, 34187940), (8, 25640955), (9, 22791960), (10, 20512764), (12, 17093970), (15, 13675176), (18, 11395980), (20, 10256382), (24, 8546985), (27, 7597320), (30, 6837588), (36, 5697990), (40, 5128191), (45, 4558392), (54, 3798660), (60, 3418794), (72, 2848995), (81, 2532440), (90, 2279196), (108, 1899330), (120, 1709397), (135, 1519464), (162, 1266220), (180, 1139598), (216, 949665), (270, 759732), (324, 633110), (360, 569799), (405, 506488), (540, 379866), (648, 316555), (810, 253244), (1080, 189933), (1620, 126622), (3240, 63311)]