66728640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 224

約数和(自身を含む): 237012480

約数和(自身を除く): 170283840

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, 71, 80, 88, 89, 96, 110, 120, 132, 142, 160, 165, 176, 178, 192, 213, 220, 240, 264, 267, 284, 320, 330, 352, 355, 356, 426, 440, 445, 480, 528, 534, 568, 660, 704, 710, 712, 781, 852, 880, 890, 960, 979, 1056, 1065, 1068, 1136, 1320, 1335, 1420, 1424, 1562, 1704, 1760, 1780, 1958, 2112, 2130, 2136, 2272, 2343, 2640, 2670, 2840, 2848, 2937, 3124, 3408, 3520, 3560, 3905, 3916, 4260, 4272, 4544, 4686, 4895, 5280, 5340, 5680, 5696, 5874, 6248, 6319, 6816, 7120, 7810, 7832, 8520, 8544, 9372, 9790, 10560, 10680, 11360, 11715, 11748, 12496, 12638, 13632, 14240, 14685, 15620, 15664, 17040, 17088, 18744, 18957, 19580, 21360, 22720, 23430, 23496, 24992, 25276, 28480, 29370, 31240, 31328, 31595, 34080, 37488, 37914, 39160, 42720, 46860, 46992, 49984, 50552, 58740, 62480, 62656, 63190, 68160, 69509, 74976, 75828, 78320, 85440, 93720, 93984, 94785, 101104, 117480, 124960, 126380, 139018, 149952, 151656, 156640, 187440, 187968, 189570, 202208, 208527, 234960, 249920, 252760, 278036, 303312, 313280, 347545, 374880, 379140, 404416, 417054, 469920, 505520, 556072, 606624, 695090, 749760, 758280, 834108, 939840, 1011040, 1042635, 1112144, 1213248, 1390180, 1516560, 1668216, 2022080, 2085270, 2224288, 2780360, 3033120, 3336432, 4170540, 4448576, 5560720, 6066240, 6672864, 8341080, 11121440, 13345728, 16682160, 22242880, 33364320, 66728640]

約数ペア:

[(1, 66728640), (2, 33364320), (3, 22242880), (4, 16682160), (5, 13345728), (6, 11121440), (8, 8341080), (10, 6672864), (11, 6066240), (12, 5560720), (15, 4448576), (16, 4170540), (20, 3336432), (22, 3033120), (24, 2780360), (30, 2224288), (32, 2085270), (33, 2022080), (40, 1668216), (44, 1516560), (48, 1390180), (55, 1213248), (60, 1112144), (64, 1042635), (66, 1011040), (71, 939840), (80, 834108), (88, 758280), (89, 749760), (96, 695090), (110, 606624), (120, 556072), (132, 505520), (142, 469920), (160, 417054), (165, 404416), (176, 379140), (178, 374880), (192, 347545), (213, 313280), (220, 303312), (240, 278036), (264, 252760), (267, 249920), (284, 234960), (320, 208527), (330, 202208), (352, 189570), (355, 187968), (356, 187440), (426, 156640), (440, 151656), (445, 149952), (480, 139018), (528, 126380), (534, 124960), (568, 117480), (660, 101104), (704, 94785), (710, 93984), (712, 93720), (781, 85440), (852, 78320), (880, 75828), (890, 74976), (960, 69509), (979, 68160), (1056, 63190), (1065, 62656), (1068, 62480), (1136, 58740), (1320, 50552), (1335, 49984), (1420, 46992), (1424, 46860), (1562, 42720), (1704, 39160), (1760, 37914), (1780, 37488), (1958, 34080), (2112, 31595), (2130, 31328), (2136, 31240), (2272, 29370), (2343, 28480), (2640, 25276), (2670, 24992), (2840, 23496), (2848, 23430), (2937, 22720), (3124, 21360), (3408, 19580), (3520, 18957), (3560, 18744), (3905, 17088), (3916, 17040), (4260, 15664), (4272, 15620), (4544, 14685), (4686, 14240), (4895, 13632), (5280, 12638), (5340, 12496), (5680, 11748), (5696, 11715), (5874, 11360), (6248, 10680), (6319, 10560), (6816, 9790), (7120, 9372), (7810, 8544), (7832, 8520)]