821253120

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 176

約数和(自身を含む): 2653698048

約数和(自身を除く): 1832444928

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, 512, 635, 640, 762, 768, 842, 960, 1016, 1024, 1263, 1270, 1280, 1524, 1536, 1684, 1905, 1920, 2032, 2105, 2526, 2540, 2560, 3048, 3072, 3368, 3810, 3840, 4064, 4210, 5052, 5080, 5120, 6096, 6315, 6736, 7620, 7680, 8128, 8420, 10104, 10160, 12192, 12630, 13472, 15240, 15360, 16256, 16840, 20208, 20320, 24384, 25260, 26944, 30480, 32512, 33680, 40416, 40640, 48768, 50520, 53467, 53888, 60960, 65024, 67360, 80832, 81280, 97536, 101040, 106934, 107776, 121920, 130048, 134720, 160401, 161664, 162560, 195072, 202080, 213868, 215552, 243840, 267335, 269440, 320802, 323328, 325120, 390144, 404160, 427736, 431104, 487680, 534670, 538880, 641604, 646656, 650240, 802005, 808320, 855472, 975360, 1069340, 1077760, 1283208, 1293312, 1604010, 1616640, 1710944, 1950720, 2138680, 2155520, 2566416, 3208020, 3233280, 3421888, 4277360, 5132832, 6416040, 6466560, 6843776, 8554720, 10265664, 12832080, 13687552, 17109440, 20531328, 25664160, 27375104, 34218880, 41062656, 51328320, 54750208, 68437760, 82125312, 102656640, 136875520, 164250624, 205313280, 273751040, 410626560, 821253120]

約数ペア:

[(1, 821253120), (2, 410626560), (3, 273751040), (4, 205313280), (5, 164250624), (6, 136875520), (8, 102656640), (10, 82125312), (12, 68437760), (15, 54750208), (16, 51328320), (20, 41062656), (24, 34218880), (30, 27375104), (32, 25664160), (40, 20531328), (48, 17109440), (60, 13687552), (64, 12832080), (80, 10265664), (96, 8554720), (120, 6843776), (127, 6466560), (128, 6416040), (160, 5132832), (192, 4277360), (240, 3421888), (254, 3233280), (256, 3208020), (320, 2566416), (381, 2155520), (384, 2138680), (421, 1950720), (480, 1710944), (508, 1616640), (512, 1604010), (635, 1293312), (640, 1283208), (762, 1077760), (768, 1069340), (842, 975360), (960, 855472), (1016, 808320), (1024, 802005), (1263, 650240), (1270, 646656), (1280, 641604), (1524, 538880), (1536, 534670), (1684, 487680), (1905, 431104), (1920, 427736), (2032, 404160), (2105, 390144), (2526, 325120), (2540, 323328), (2560, 320802), (3048, 269440), (3072, 267335), (3368, 243840), (3810, 215552), (3840, 213868), (4064, 202080), (4210, 195072), (5052, 162560), (5080, 161664), (5120, 160401), (6096, 134720), (6315, 130048), (6736, 121920), (7620, 107776), (7680, 106934), (8128, 101040), (8420, 97536), (10104, 81280), (10160, 80832), (12192, 67360), (12630, 65024), (13472, 60960), (15240, 53888), (15360, 53467), (16256, 50520), (16840, 48768), (20208, 40640), (20320, 40416), (24384, 33680), (25260, 32512), (26944, 30480)]