1320637440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:832

約数の個数: 176

約数和(自身を含む): 4263524352

約数和(自身を除く): 2942886912

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, 480, 508, 512, 635, 640, 677, 762, 768, 960, 1016, 1024, 1270, 1280, 1354, 1524, 1536, 1905, 1920, 2031, 2032, 2540, 2560, 2708, 3048, 3072, 3385, 3810, 3840, 4062, 4064, 5080, 5120, 5416, 6096, 6770, 7620, 7680, 8124, 8128, 10155, 10160, 10832, 12192, 13540, 15240, 15360, 16248, 16256, 20310, 20320, 21664, 24384, 27080, 30480, 32496, 32512, 40620, 40640, 43328, 48768, 54160, 60960, 64992, 65024, 81240, 81280, 85979, 86656, 97536, 108320, 121920, 129984, 130048, 162480, 162560, 171958, 173312, 195072, 216640, 243840, 257937, 259968, 324960, 325120, 343916, 346624, 390144, 429895, 433280, 487680, 515874, 519936, 649920, 650240, 687832, 693248, 859790, 866560, 975360, 1031748, 1039872, 1289685, 1299840, 1375664, 1719580, 1733120, 1950720, 2063496, 2079744, 2579370, 2599680, 2751328, 3439160, 3466240, 4126992, 5158740, 5199360, 5502656, 6878320, 8253984, 10317480, 10398720, 11005312, 13756640, 16507968, 20634960, 22010624, 27513280, 33015936, 41269920, 44021248, 55026560, 66031872, 82539840, 88042496, 110053120, 132063744, 165079680, 220106240, 264127488, 330159360, 440212480, 660318720, 1320637440]

約数ペア:

[(1, 1320637440), (2, 660318720), (3, 440212480), (4, 330159360), (5, 264127488), (6, 220106240), (8, 165079680), (10, 132063744), (12, 110053120), (15, 88042496), (16, 82539840), (20, 66031872), (24, 55026560), (30, 44021248), (32, 41269920), (40, 33015936), (48, 27513280), (60, 22010624), (64, 20634960), (80, 16507968), (96, 13756640), (120, 11005312), (127, 10398720), (128, 10317480), (160, 8253984), (192, 6878320), (240, 5502656), (254, 5199360), (256, 5158740), (320, 4126992), (381, 3466240), (384, 3439160), (480, 2751328), (508, 2599680), (512, 2579370), (635, 2079744), (640, 2063496), (677, 1950720), (762, 1733120), (768, 1719580), (960, 1375664), (1016, 1299840), (1024, 1289685), (1270, 1039872), (1280, 1031748), (1354, 975360), (1524, 866560), (1536, 859790), (1905, 693248), (1920, 687832), (2031, 650240), (2032, 649920), (2540, 519936), (2560, 515874), (2708, 487680), (3048, 433280), (3072, 429895), (3385, 390144), (3810, 346624), (3840, 343916), (4062, 325120), (4064, 324960), (5080, 259968), (5120, 257937), (5416, 243840), (6096, 216640), (6770, 195072), (7620, 173312), (7680, 171958), (8124, 162560), (8128, 162480), (10155, 130048), (10160, 129984), (10832, 121920), (12192, 108320), (13540, 97536), (15240, 86656), (15360, 85979), (16248, 81280), (16256, 81240), (20310, 65024), (20320, 64992), (21664, 60960), (24384, 54160), (27080, 48768), (30480, 43328), (32496, 40640), (32512, 40620)]