19967231680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1747}}^1$

素因数の和:1983

約数の個数: 224

約数和(自身を含む): 55239708672

約数和(自身を除く): 35272476992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 191, 220, 272, 320, 340, 352, 374, 382, 440, 544, 680, 704, 748, 764, 880, 935, 955, 1088, 1360, 1496, 1528, 1747, 1760, 1870, 1910, 2101, 2720, 2992, 3056, 3247, 3494, 3520, 3740, 3820, 4202, 5440, 5984, 6112, 6494, 6988, 7480, 7640, 8404, 8735, 10505, 11968, 12224, 12988, 13976, 14960, 15280, 16235, 16808, 17470, 19217, 21010, 25976, 27952, 29699, 29920, 30560, 32470, 33616, 34940, 35717, 38434, 42020, 51952, 55904, 59398, 59840, 61120, 64940, 67232, 69880, 71434, 76868, 84040, 96085, 103904, 111808, 118796, 129880, 134464, 139760, 142868, 148495, 153736, 168080, 178585, 192170, 207808, 237592, 259760, 279520, 285736, 296990, 307472, 326689, 333677, 336160, 357170, 384340, 475184, 519520, 559040, 571472, 593980, 614944, 653378, 667354, 672320, 714340, 768680, 950368, 1039040, 1142944, 1187960, 1229888, 1306756, 1334708, 1428680, 1537360, 1633445, 1668385, 1900736, 2285888, 2375920, 2613512, 2669416, 2857360, 3074720, 3266890, 3336770, 3670447, 4751840, 5227024, 5338832, 5672509, 5714720, 6149440, 6533780, 6673540, 7340894, 9503680, 10454048, 10677664, 11345018, 11429440, 13067560, 13347080, 14681788, 18352235, 20908096, 21355328, 22690036, 26135120, 26694160, 28362545, 29363576, 36704470, 45380072, 52270240, 53388320, 56725090, 58727152, 62397599, 73408940, 90760144, 104540480, 106776640, 113450180, 117454304, 124795198, 146817880, 181520288, 226900360, 234908608, 249590396, 293635760, 311987995, 363040576, 453800720, 499180792, 587271520, 623975990, 907601440, 998361584, 1174543040, 1247951980, 1815202880, 1996723168, 2495903960, 3993446336, 4991807920, 9983615840, 19967231680]

約数ペア:

[(1, 19967231680), (2, 9983615840), (4, 4991807920), (5, 3993446336), (8, 2495903960), (10, 1996723168), (11, 1815202880), (16, 1247951980), (17, 1174543040), (20, 998361584), (22, 907601440), (32, 623975990), (34, 587271520), (40, 499180792), (44, 453800720), (55, 363040576), (64, 311987995), (68, 293635760), (80, 249590396), (85, 234908608), (88, 226900360), (110, 181520288), (136, 146817880), (160, 124795198), (170, 117454304), (176, 113450180), (187, 106776640), (191, 104540480), (220, 90760144), (272, 73408940), (320, 62397599), (340, 58727152), (352, 56725090), (374, 53388320), (382, 52270240), (440, 45380072), (544, 36704470), (680, 29363576), (704, 28362545), (748, 26694160), (764, 26135120), (880, 22690036), (935, 21355328), (955, 20908096), (1088, 18352235), (1360, 14681788), (1496, 13347080), (1528, 13067560), (1747, 11429440), (1760, 11345018), (1870, 10677664), (1910, 10454048), (2101, 9503680), (2720, 7340894), (2992, 6673540), (3056, 6533780), (3247, 6149440), (3494, 5714720), (3520, 5672509), (3740, 5338832), (3820, 5227024), (4202, 4751840), (5440, 3670447), (5984, 3336770), (6112, 3266890), (6494, 3074720), (6988, 2857360), (7480, 2669416), (7640, 2613512), (8404, 2375920), (8735, 2285888), (10505, 1900736), (11968, 1668385), (12224, 1633445), (12988, 1537360), (13976, 1428680), (14960, 1334708), (15280, 1306756), (16235, 1229888), (16808, 1187960), (17470, 1142944), (19217, 1039040), (21010, 950368), (25976, 768680), (27952, 714340), (29699, 672320), (29920, 667354), (30560, 653378), (32470, 614944), (33616, 593980), (34940, 571472), (35717, 559040), (38434, 519520), (42020, 475184), (51952, 384340), (55904, 357170), (59398, 336160), (59840, 333677), (61120, 326689), (64940, 307472), (67232, 296990), (69880, 285736), (71434, 279520), (76868, 259760), (84040, 237592), (96085, 207808), (103904, 192170), (111808, 178585), (118796, 168080), (129880, 153736), (134464, 148495), (139760, 142868)]