18220775440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3966

約数の個数: 240

約数和(自身を含む): 52927219584

約数和(自身を除く): 34706444144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 71, 80, 85, 98, 112, 119, 136, 140, 142, 170, 196, 238, 245, 272, 280, 284, 340, 355, 392, 476, 490, 497, 560, 568, 595, 680, 710, 784, 833, 952, 980, 994, 1136, 1190, 1207, 1360, 1420, 1666, 1904, 1960, 1988, 2380, 2414, 2485, 2840, 3332, 3479, 3851, 3920, 3976, 4165, 4760, 4828, 4970, 5680, 6035, 6664, 6958, 7702, 7952, 8330, 8449, 9520, 9656, 9940, 12070, 13328, 13916, 15404, 16660, 16898, 17395, 19255, 19312, 19880, 24140, 26957, 27832, 30808, 33320, 33796, 34790, 38510, 39760, 42245, 48280, 53914, 55664, 59143, 61616, 65467, 66640, 67592, 69580, 77020, 84490, 96560, 107828, 118286, 130934, 134785, 135184, 139160, 154040, 168980, 188699, 215656, 236572, 261868, 269570, 273421, 278320, 295715, 308080, 327335, 337960, 377398, 431312, 458269, 473144, 523736, 539140, 546842, 591430, 654670, 675920, 754796, 916538, 943495, 946288, 1047472, 1078280, 1093684, 1182860, 1309340, 1367105, 1509592, 1833076, 1886990, 1913947, 2156560, 2187368, 2291345, 2365720, 2618680, 2734210, 3019184, 3207883, 3666152, 3773980, 3827894, 4374736, 4582690, 4648157, 4731440, 5237360, 5468420, 6415766, 7332304, 7547960, 7655788, 9165380, 9296314, 9569735, 10936840, 12831532, 13397629, 15095920, 15311576, 16039415, 18330760, 18592628, 19139470, 21873680, 23240785, 25663064, 26795258, 30623152, 32078830, 32537099, 36661520, 37185256, 38278940, 46481570, 51326128, 53590516, 64157660, 65074198, 66988145, 74370512, 76557880, 92963140, 107181032, 128315320, 130148396, 133976290, 153115760, 162685495, 185926280, 214362064, 227759693, 256630640, 260296792, 267952580, 325370990, 371852560, 455519386, 520593584, 535905160, 650741980, 911038772, 1071810320, 1138798465, 1301483960, 1822077544, 2277596930, 2602967920, 3644155088, 4555193860, 9110387720, 18220775440]

約数ペア:

[(1, 18220775440), (2, 9110387720), (4, 4555193860), (5, 3644155088), (7, 2602967920), (8, 2277596930), (10, 1822077544), (14, 1301483960), (16, 1138798465), (17, 1071810320), (20, 911038772), (28, 650741980), (34, 535905160), (35, 520593584), (40, 455519386), (49, 371852560), (56, 325370990), (68, 267952580), (70, 260296792), (71, 256630640), (80, 227759693), (85, 214362064), (98, 185926280), (112, 162685495), (119, 153115760), (136, 133976290), (140, 130148396), (142, 128315320), (170, 107181032), (196, 92963140), (238, 76557880), (245, 74370512), (272, 66988145), (280, 65074198), (284, 64157660), (340, 53590516), (355, 51326128), (392, 46481570), (476, 38278940), (490, 37185256), (497, 36661520), (560, 32537099), (568, 32078830), (595, 30623152), (680, 26795258), (710, 25663064), (784, 23240785), (833, 21873680), (952, 19139470), (980, 18592628), (994, 18330760), (1136, 16039415), (1190, 15311576), (1207, 15095920), (1360, 13397629), (1420, 12831532), (1666, 10936840), (1904, 9569735), (1960, 9296314), (1988, 9165380), (2380, 7655788), (2414, 7547960), (2485, 7332304), (2840, 6415766), (3332, 5468420), (3479, 5237360), (3851, 4731440), (3920, 4648157), (3976, 4582690), (4165, 4374736), (4760, 3827894), (4828, 3773980), (4970, 3666152), (5680, 3207883), (6035, 3019184), (6664, 2734210), (6958, 2618680), (7702, 2365720), (7952, 2291345), (8330, 2187368), (8449, 2156560), (9520, 1913947), (9656, 1886990), (9940, 1833076), (12070, 1509592), (13328, 1367105), (13916, 1309340), (15404, 1182860), (16660, 1093684), (16898, 1078280), (17395, 1047472), (19255, 946288), (19312, 943495), (19880, 916538), (24140, 754796), (26957, 675920), (27832, 654670), (30808, 591430), (33320, 546842), (33796, 539140), (34790, 523736), (38510, 473144), (39760, 458269), (42245, 431312), (48280, 377398), (53914, 337960), (55664, 327335), (59143, 308080), (61616, 295715), (65467, 278320), (66640, 273421), (67592, 269570), (69580, 261868), (77020, 236572), (84490, 215656), (96560, 188699), (107828, 168980), (118286, 154040), (130934, 139160), (134785, 135184)]