689655120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 320

約数和(自身を含む): 2710112256

約数和(自身を除く): 2020457136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 67, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 134, 140, 154, 165, 168, 176, 201, 210, 220, 231, 240, 264, 268, 280, 308, 330, 335, 336, 385, 402, 420, 440, 462, 469, 528, 536, 557, 560, 616, 660, 670, 737, 770, 804, 840, 880, 924, 938, 1005, 1072, 1114, 1155, 1232, 1320, 1340, 1407, 1474, 1540, 1608, 1671, 1680, 1848, 1876, 2010, 2211, 2228, 2310, 2345, 2640, 2680, 2785, 2814, 2948, 3080, 3216, 3342, 3685, 3696, 3752, 3899, 4020, 4422, 4456, 4620, 4690, 5159, 5360, 5570, 5628, 5896, 6127, 6160, 6684, 7035, 7370, 7504, 7798, 8040, 8355, 8844, 8912, 9240, 9380, 10318, 11055, 11140, 11256, 11697, 11792, 12254, 13368, 14070, 14740, 15477, 15596, 16080, 16710, 17688, 18381, 18480, 18760, 19495, 20636, 22110, 22280, 22512, 23394, 24508, 25795, 26736, 28140, 29480, 30635, 30954, 31192, 33420, 35376, 36762, 37319, 37520, 38990, 41272, 42889, 44220, 44560, 46788, 49016, 51590, 56280, 58485, 58960, 61270, 61908, 62384, 66840, 73524, 74638, 77385, 77980, 82544, 85778, 88440, 91905, 93576, 98032, 103180, 111957, 112560, 116970, 122540, 123816, 128667, 133680, 147048, 149276, 154770, 155960, 171556, 176880, 183810, 186595, 187152, 206360, 214445, 223914, 233940, 245080, 247632, 257334, 261233, 294096, 298552, 309540, 311920, 343112, 367620, 373190, 410509, 412720, 428890, 447828, 467880, 490160, 514668, 522466, 559785, 597104, 619080, 643335, 686224, 735240, 746380, 783699, 821018, 857780, 895656, 935760, 1029336, 1044932, 1119570, 1231527, 1238160, 1286670, 1306165, 1470480, 1492760, 1567398, 1642036, 1715560, 1791312, 2052545, 2058672, 2089864, 2239140, 2463054, 2573340, 2612330, 2873563, 2985520, 3134796, 3284072, 3431120, 3918495, 4105090, 4179728, 4478280, 4926108, 5146680, 5224660, 5747126, 6157635, 6269592, 6568144, 7836990, 8210180, 8620689, 8956560, 9852216, 10293360, 10449320, 11494252, 12315270, 12539184, 14367815, 15673980, 16420360, 17241378, 19704432, 20898640, 22988504, 24630540, 28735630, 31347960, 32840720, 34482756, 43103445, 45977008, 49261080, 57471260, 62695920, 68965512, 86206890, 98522160, 114942520, 137931024, 172413780, 229885040, 344827560, 689655120]

約数ペア:

[(1, 689655120), (2, 344827560), (3, 229885040), (4, 172413780), (5, 137931024), (6, 114942520), (7, 98522160), (8, 86206890), (10, 68965512), (11, 62695920), (12, 57471260), (14, 49261080), (15, 45977008), (16, 43103445), (20, 34482756), (21, 32840720), (22, 31347960), (24, 28735630), (28, 24630540), (30, 22988504), (33, 20898640), (35, 19704432), (40, 17241378), (42, 16420360), (44, 15673980), (48, 14367815), (55, 12539184), (56, 12315270), (60, 11494252), (66, 10449320), (67, 10293360), (70, 9852216), (77, 8956560), (80, 8620689), (84, 8210180), (88, 7836990), (105, 6568144), (110, 6269592), (112, 6157635), (120, 5747126), (132, 5224660), (134, 5146680), (140, 4926108), (154, 4478280), (165, 4179728), (168, 4105090), (176, 3918495), (201, 3431120), (210, 3284072), (220, 3134796), (231, 2985520), (240, 2873563), (264, 2612330), (268, 2573340), (280, 2463054), (308, 2239140), (330, 2089864), (335, 2058672), (336, 2052545), (385, 1791312), (402, 1715560), (420, 1642036), (440, 1567398), (462, 1492760), (469, 1470480), (528, 1306165), (536, 1286670), (557, 1238160), (560, 1231527), (616, 1119570), (660, 1044932), (670, 1029336), (737, 935760), (770, 895656), (804, 857780), (840, 821018), (880, 783699), (924, 746380), (938, 735240), (1005, 686224), (1072, 643335), (1114, 619080), (1155, 597104), (1232, 559785), (1320, 522466), (1340, 514668), (1407, 490160), (1474, 467880), (1540, 447828), (1608, 428890), (1671, 412720), (1680, 410509), (1848, 373190), (1876, 367620), (2010, 343112), (2211, 311920), (2228, 309540), (2310, 298552), (2345, 294096), (2640, 261233), (2680, 257334), (2785, 247632), (2814, 245080), (2948, 233940), (3080, 223914), (3216, 214445), (3342, 206360), (3685, 187152), (3696, 186595), (3752, 183810), (3899, 176880), (4020, 171556), (4422, 155960), (4456, 154770), (4620, 149276), (4690, 147048), (5159, 133680), (5360, 128667), (5570, 123816), (5628, 122540), (5896, 116970), (6127, 112560), (6160, 111957), (6684, 103180), (7035, 98032), (7370, 93576), (7504, 91905), (7798, 88440), (8040, 85778), (8355, 82544), (8844, 77980), (8912, 77385), (9240, 74638), (9380, 73524), (10318, 66840), (11055, 62384), (11140, 61908), (11256, 61270), (11697, 58960), (11792, 58485), (12254, 56280), (13368, 51590), (14070, 49016), (14740, 46788), (15477, 44560), (15596, 44220), (16080, 42889), (16710, 41272), (17688, 38990), (18381, 37520), (18480, 37319), (18760, 36762), (19495, 35376), (20636, 33420), (22110, 31192), (22280, 30954), (22512, 30635), (23394, 29480), (24508, 28140), (25795, 26736)]