205313280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 662452224

約数和(自身を除く): 457138944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 421, 480, 508, 635, 640, 762, 768, 842, 960, 1016, 1263, 1270, 1280, 1524, 1684, 1905, 1920, 2032, 2105, 2526, 2540, 3048, 3368, 3810, 3840, 4064, 4210, 5052, 5080, 6096, 6315, 6736, 7620, 8128, 8420, 10104, 10160, 12192, 12630, 13472, 15240, 16256, 16840, 20208, 20320, 24384, 25260, 26944, 30480, 32512, 33680, 40416, 40640, 48768, 50520, 53467, 53888, 60960, 67360, 80832, 81280, 97536, 101040, 106934, 107776, 121920, 134720, 160401, 161664, 162560, 202080, 213868, 243840, 267335, 269440, 320802, 323328, 404160, 427736, 487680, 534670, 538880, 641604, 802005, 808320, 855472, 1069340, 1283208, 1604010, 1616640, 1710944, 2138680, 2566416, 3208020, 3421888, 4277360, 5132832, 6416040, 6843776, 8554720, 10265664, 12832080, 13687552, 17109440, 20531328, 25664160, 34218880, 41062656, 51328320, 68437760, 102656640, 205313280]

約数ペア:

[(1, 205313280), (2, 102656640), (3, 68437760), (4, 51328320), (5, 41062656), (6, 34218880), (8, 25664160), (10, 20531328), (12, 17109440), (15, 13687552), (16, 12832080), (20, 10265664), (24, 8554720), (30, 6843776), (32, 6416040), (40, 5132832), (48, 4277360), (60, 3421888), (64, 3208020), (80, 2566416), (96, 2138680), (120, 1710944), (127, 1616640), (128, 1604010), (160, 1283208), (192, 1069340), (240, 855472), (254, 808320), (256, 802005), (320, 641604), (381, 538880), (384, 534670), (421, 487680), (480, 427736), (508, 404160), (635, 323328), (640, 320802), (762, 269440), (768, 267335), (842, 243840), (960, 213868), (1016, 202080), (1263, 162560), (1270, 161664), (1280, 160401), (1524, 134720), (1684, 121920), (1905, 107776), (1920, 106934), (2032, 101040), (2105, 97536), (2526, 81280), (2540, 80832), (3048, 67360), (3368, 60960), (3810, 53888), (3840, 53467), (4064, 50520), (4210, 48768), (5052, 40640), (5080, 40416), (6096, 33680), (6315, 32512), (6736, 30480), (7620, 26944), (8128, 25260), (8420, 24384), (10104, 20320), (10160, 20208), (12192, 16840), (12630, 16256), (13472, 15240)]