257977440

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 384

約数和(自身を含む): 1088640000

約数和(自身を除く): 830662560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 210, 216, 224, 228, 240, 252, 266, 270, 280, 285, 288, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 449, 456, 480, 504, 513, 532, 540, 560, 570, 608, 630, 665, 672, 684, 720, 756, 760, 798, 840, 855, 864, 898, 912, 945, 1008, 1026, 1064, 1080, 1120, 1140, 1197, 1260, 1330, 1347, 1368, 1440, 1512, 1520, 1596, 1680, 1710, 1796, 1824, 1890, 1995, 2016, 2052, 2128, 2160, 2245, 2280, 2394, 2520, 2565, 2660, 2694, 2736, 3024, 3040, 3143, 3192, 3360, 3420, 3591, 3592, 3780, 3990, 4041, 4104, 4256, 4320, 4490, 4560, 4788, 5040, 5130, 5320, 5388, 5472, 5985, 6048, 6286, 6384, 6735, 6840, 7182, 7184, 7560, 7980, 8082, 8208, 8531, 8980, 9120, 9429, 9576, 10080, 10260, 10640, 10776, 11970, 12123, 12572, 12768, 13470, 13680, 14364, 14368, 15120, 15715, 15960, 16164, 16416, 17062, 17955, 17960, 18858, 19152, 20205, 20520, 21280, 21552, 23940, 24246, 25144, 25593, 26940, 27360, 28287, 28728, 30240, 31430, 31920, 32328, 34124, 35910, 35920, 37716, 38304, 40410, 41040, 42655, 43104, 47145, 47880, 48492, 50288, 51186, 53880, 56574, 57456, 59717, 60615, 62860, 63840, 64656, 68248, 71820, 71840, 75432, 76779, 80820, 82080, 84861, 85310, 94290, 95760, 96984, 100576, 102372, 107760, 113148, 114912, 119434, 121230, 125720, 127965, 129312, 136496, 141435, 143640, 150864, 153558, 161640, 169722, 170620, 179151, 188580, 191520, 193968, 204744, 215520, 226296, 230337, 238868, 242460, 251440, 255930, 272992, 282870, 287280, 298585, 301728, 307116, 323280, 339444, 341240, 358302, 377160, 383895, 387936, 409488, 424305, 452592, 460674, 477736, 484920, 502880, 511860, 537453, 565740, 574560, 597170, 614232, 646560, 678888, 682480, 716604, 754320, 767790, 818976, 848610, 895755, 905184, 921348, 955472, 969840, 1023720, 1074906, 1131480, 1151685, 1194340, 1228464, 1357776, 1364960, 1433208, 1508640, 1535580, 1612359, 1697220, 1791510, 1842696, 1910944, 1939680, 2047440, 2149812, 2262960, 2303370, 2388680, 2456928, 2687265, 2715552, 2866416, 3071160, 3224718, 3394440, 3583020, 3685392, 4094880, 4299624, 4525920, 4606740, 4777360, 5374530, 5732832, 6142320, 6449436, 6788880, 7166040, 7370784, 8061795, 8599248, 9213480, 9554720, 10749060, 12284640, 12898872, 13577760, 14332080, 16123590, 17198496, 18426960, 21498120, 25797744, 28664160, 32247180, 36853920, 42996240, 51595488, 64494360, 85992480, 128988720, 257977440]

約数ペア:

[(1, 257977440), (2, 128988720), (3, 85992480), (4, 64494360), (5, 51595488), (6, 42996240), (7, 36853920), (8, 32247180), (9, 28664160), (10, 25797744), (12, 21498120), (14, 18426960), (15, 17198496), (16, 16123590), (18, 14332080), (19, 13577760), (20, 12898872), (21, 12284640), (24, 10749060), (27, 9554720), (28, 9213480), (30, 8599248), (32, 8061795), (35, 7370784), (36, 7166040), (38, 6788880), (40, 6449436), (42, 6142320), (45, 5732832), (48, 5374530), (54, 4777360), (56, 4606740), (57, 4525920), (60, 4299624), (63, 4094880), (70, 3685392), (72, 3583020), (76, 3394440), (80, 3224718), (84, 3071160), (90, 2866416), (95, 2715552), (96, 2687265), (105, 2456928), (108, 2388680), (112, 2303370), (114, 2262960), (120, 2149812), (126, 2047440), (133, 1939680), (135, 1910944), (140, 1842696), (144, 1791510), (152, 1697220), (160, 1612359), (168, 1535580), (171, 1508640), (180, 1433208), (189, 1364960), (190, 1357776), (210, 1228464), (216, 1194340), (224, 1151685), (228, 1131480), (240, 1074906), (252, 1023720), (266, 969840), (270, 955472), (280, 921348), (285, 905184), (288, 895755), (304, 848610), (315, 818976), (336, 767790), (342, 754320), (360, 716604), (378, 682480), (380, 678888), (399, 646560), (420, 614232), (432, 597170), (449, 574560), (456, 565740), (480, 537453), (504, 511860), (513, 502880), (532, 484920), (540, 477736), (560, 460674), (570, 452592), (608, 424305), (630, 409488), (665, 387936), (672, 383895), (684, 377160), (720, 358302), (756, 341240), (760, 339444), (798, 323280), (840, 307116), (855, 301728), (864, 298585), (898, 287280), (912, 282870), (945, 272992), (1008, 255930), (1026, 251440), (1064, 242460), (1080, 238868), (1120, 230337), (1140, 226296), (1197, 215520), (1260, 204744), (1330, 193968), (1347, 191520), (1368, 188580), (1440, 179151), (1512, 170620), (1520, 169722), (1596, 161640), (1680, 153558), (1710, 150864), (1796, 143640), (1824, 141435), (1890, 136496), (1995, 129312), (2016, 127965), (2052, 125720), (2128, 121230), (2160, 119434), (2245, 114912), (2280, 113148), (2394, 107760), (2520, 102372), (2565, 100576), (2660, 96984), (2694, 95760), (2736, 94290), (3024, 85310), (3040, 84861), (3143, 82080), (3192, 80820), (3360, 76779), (3420, 75432), (3591, 71840), (3592, 71820), (3780, 68248), (3990, 64656), (4041, 63840), (4104, 62860), (4256, 60615), (4320, 59717), (4490, 57456), (4560, 56574), (4788, 53880), (5040, 51186), (5130, 50288), (5320, 48492), (5388, 47880), (5472, 47145), (5985, 43104), (6048, 42655), (6286, 41040), (6384, 40410), (6735, 38304), (6840, 37716), (7182, 35920), (7184, 35910), (7560, 34124), (7980, 32328), (8082, 31920), (8208, 31430), (8531, 30240), (8980, 28728), (9120, 28287), (9429, 27360), (9576, 26940), (10080, 25593), (10260, 25144), (10640, 24246), (10776, 23940), (11970, 21552), (12123, 21280), (12572, 20520), (12768, 20205), (13470, 19152), (13680, 18858), (14364, 17960), (14368, 17955), (15120, 17062), (15715, 16416), (15960, 16164)]