257744880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 240

約数和(自身を含む): 926190720

約数和(自身を除く): 668445840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 83, 90, 95, 114, 120, 144, 152, 166, 171, 180, 190, 227, 228, 240, 249, 285, 304, 332, 342, 360, 380, 415, 454, 456, 498, 570, 664, 681, 684, 720, 747, 760, 830, 855, 908, 912, 996, 1135, 1140, 1245, 1328, 1362, 1368, 1494, 1520, 1577, 1660, 1710, 1816, 1992, 2043, 2270, 2280, 2490, 2724, 2736, 2988, 3154, 3320, 3405, 3420, 3632, 3735, 3984, 4086, 4313, 4540, 4560, 4731, 4980, 5448, 5976, 6308, 6640, 6810, 6840, 7470, 7885, 8172, 8626, 9080, 9462, 9960, 10215, 10896, 11952, 12616, 12939, 13620, 13680, 14193, 14940, 15770, 16344, 17252, 18160, 18841, 18924, 19920, 20430, 21565, 23655, 25232, 25878, 27240, 28386, 29880, 31540, 32688, 34504, 37682, 37848, 38817, 40860, 43130, 47310, 51756, 54480, 56523, 56772, 59760, 63080, 64695, 69008, 70965, 75364, 75696, 77634, 81720, 86260, 94205, 94620, 103512, 113046, 113544, 126160, 129390, 141930, 150728, 155268, 163440, 169569, 172520, 188410, 189240, 194085, 207024, 226092, 227088, 258780, 282615, 283860, 301456, 310536, 339138, 345040, 357979, 376820, 378480, 388170, 452184, 517560, 565230, 567720, 621072, 678276, 715958, 753640, 776340, 847845, 904368, 1035120, 1073937, 1130460, 1135440, 1356552, 1431916, 1507280, 1552680, 1695690, 1789895, 2147874, 2260920, 2713104, 2863832, 3105360, 3221811, 3391380, 3579790, 4295748, 4521840, 5369685, 5727664, 6443622, 6782760, 7159580, 8591496, 10739370, 12887244, 13565520, 14319160, 16109055, 17182992, 21478740, 25774488, 28638320, 32218110, 42957480, 51548976, 64436220, 85914960, 128872440, 257744880]

約数ペア:

[(1, 257744880), (2, 128872440), (3, 85914960), (4, 64436220), (5, 51548976), (6, 42957480), (8, 32218110), (9, 28638320), (10, 25774488), (12, 21478740), (15, 17182992), (16, 16109055), (18, 14319160), (19, 13565520), (20, 12887244), (24, 10739370), (30, 8591496), (36, 7159580), (38, 6782760), (40, 6443622), (45, 5727664), (48, 5369685), (57, 4521840), (60, 4295748), (72, 3579790), (76, 3391380), (80, 3221811), (83, 3105360), (90, 2863832), (95, 2713104), (114, 2260920), (120, 2147874), (144, 1789895), (152, 1695690), (166, 1552680), (171, 1507280), (180, 1431916), (190, 1356552), (227, 1135440), (228, 1130460), (240, 1073937), (249, 1035120), (285, 904368), (304, 847845), (332, 776340), (342, 753640), (360, 715958), (380, 678276), (415, 621072), (454, 567720), (456, 565230), (498, 517560), (570, 452184), (664, 388170), (681, 378480), (684, 376820), (720, 357979), (747, 345040), (760, 339138), (830, 310536), (855, 301456), (908, 283860), (912, 282615), (996, 258780), (1135, 227088), (1140, 226092), (1245, 207024), (1328, 194085), (1362, 189240), (1368, 188410), (1494, 172520), (1520, 169569), (1577, 163440), (1660, 155268), (1710, 150728), (1816, 141930), (1992, 129390), (2043, 126160), (2270, 113544), (2280, 113046), (2490, 103512), (2724, 94620), (2736, 94205), (2988, 86260), (3154, 81720), (3320, 77634), (3405, 75696), (3420, 75364), (3632, 70965), (3735, 69008), (3984, 64695), (4086, 63080), (4313, 59760), (4540, 56772), (4560, 56523), (4731, 54480), (4980, 51756), (5448, 47310), (5976, 43130), (6308, 40860), (6640, 38817), (6810, 37848), (6840, 37682), (7470, 34504), (7885, 32688), (8172, 31540), (8626, 29880), (9080, 28386), (9462, 27240), (9960, 25878), (10215, 25232), (10896, 23655), (11952, 21565), (12616, 20430), (12939, 19920), (13620, 18924), (13680, 18841), (14193, 18160), (14940, 17252), (15770, 16344)]