80921280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 224

約数和(自身を含む): 286755840

約数和(自身を除く): 205834560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 79, 80, 88, 96, 97, 110, 120, 132, 158, 160, 165, 176, 192, 194, 220, 237, 240, 264, 291, 316, 320, 330, 352, 388, 395, 440, 474, 480, 485, 528, 582, 632, 660, 704, 776, 790, 869, 880, 948, 960, 970, 1056, 1067, 1164, 1185, 1264, 1320, 1455, 1552, 1580, 1738, 1760, 1896, 1940, 2112, 2134, 2328, 2370, 2528, 2607, 2640, 2910, 3104, 3160, 3201, 3476, 3520, 3792, 3880, 4268, 4345, 4656, 4740, 5056, 5214, 5280, 5335, 5820, 6208, 6320, 6402, 6952, 7584, 7663, 7760, 8536, 8690, 9312, 9480, 10428, 10560, 10670, 11640, 12640, 12804, 13035, 13904, 15168, 15326, 15520, 16005, 17072, 17380, 18624, 18960, 20856, 21340, 22989, 23280, 25280, 25608, 26070, 27808, 30652, 31040, 32010, 34144, 34760, 37920, 38315, 41712, 42680, 45978, 46560, 51216, 52140, 55616, 61304, 64020, 68288, 69520, 75840, 76630, 83424, 84293, 85360, 91956, 93120, 102432, 104280, 114945, 122608, 128040, 139040, 153260, 166848, 168586, 170720, 183912, 204864, 208560, 229890, 245216, 252879, 256080, 278080, 306520, 337172, 341440, 367824, 417120, 421465, 459780, 490432, 505758, 512160, 613040, 674344, 735648, 834240, 842930, 919560, 1011516, 1024320, 1226080, 1264395, 1348688, 1471296, 1685860, 1839120, 2023032, 2452160, 2528790, 2697376, 3371720, 3678240, 4046064, 5057580, 5394752, 6743440, 7356480, 8092128, 10115160, 13486880, 16184256, 20230320, 26973760, 40460640, 80921280]

約数ペア:

[(1, 80921280), (2, 40460640), (3, 26973760), (4, 20230320), (5, 16184256), (6, 13486880), (8, 10115160), (10, 8092128), (11, 7356480), (12, 6743440), (15, 5394752), (16, 5057580), (20, 4046064), (22, 3678240), (24, 3371720), (30, 2697376), (32, 2528790), (33, 2452160), (40, 2023032), (44, 1839120), (48, 1685860), (55, 1471296), (60, 1348688), (64, 1264395), (66, 1226080), (79, 1024320), (80, 1011516), (88, 919560), (96, 842930), (97, 834240), (110, 735648), (120, 674344), (132, 613040), (158, 512160), (160, 505758), (165, 490432), (176, 459780), (192, 421465), (194, 417120), (220, 367824), (237, 341440), (240, 337172), (264, 306520), (291, 278080), (316, 256080), (320, 252879), (330, 245216), (352, 229890), (388, 208560), (395, 204864), (440, 183912), (474, 170720), (480, 168586), (485, 166848), (528, 153260), (582, 139040), (632, 128040), (660, 122608), (704, 114945), (776, 104280), (790, 102432), (869, 93120), (880, 91956), (948, 85360), (960, 84293), (970, 83424), (1056, 76630), (1067, 75840), (1164, 69520), (1185, 68288), (1264, 64020), (1320, 61304), (1455, 55616), (1552, 52140), (1580, 51216), (1738, 46560), (1760, 45978), (1896, 42680), (1940, 41712), (2112, 38315), (2134, 37920), (2328, 34760), (2370, 34144), (2528, 32010), (2607, 31040), (2640, 30652), (2910, 27808), (3104, 26070), (3160, 25608), (3201, 25280), (3476, 23280), (3520, 22989), (3792, 21340), (3880, 20856), (4268, 18960), (4345, 18624), (4656, 17380), (4740, 17072), (5056, 16005), (5214, 15520), (5280, 15326), (5335, 15168), (5820, 13904), (6208, 13035), (6320, 12804), (6402, 12640), (6952, 11640), (7584, 10670), (7663, 10560), (7760, 10428), (8536, 9480), (8690, 9312)]