1891111680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1347

約数の個数: 216

約数和(自身を含む): 6595701840

約数和(自身を除く): 4704590160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 240, 256, 278, 288, 320, 360, 384, 417, 480, 556, 576, 640, 695, 720, 768, 834, 960, 1112, 1152, 1181, 1251, 1280, 1390, 1440, 1668, 1920, 2085, 2224, 2304, 2362, 2502, 2780, 2880, 3336, 3543, 3840, 4170, 4448, 4724, 5004, 5560, 5760, 5905, 6255, 6672, 7086, 8340, 8896, 9448, 10008, 10629, 11120, 11520, 11810, 12510, 13344, 14172, 16680, 17715, 17792, 18896, 20016, 21258, 22240, 23620, 25020, 26688, 28344, 33360, 35430, 35584, 37792, 40032, 42516, 44480, 47240, 50040, 53145, 53376, 56688, 66720, 70860, 75584, 80064, 85032, 88960, 94480, 100080, 106290, 106752, 113376, 133440, 141720, 151168, 160128, 164159, 170064, 177920, 188960, 200160, 212580, 226752, 266880, 283440, 302336, 320256, 328318, 340128, 377920, 400320, 425160, 453504, 492477, 533760, 566880, 656636, 680256, 755840, 800640, 820795, 850320, 907008, 984954, 1133760, 1313272, 1360512, 1477431, 1511680, 1601280, 1641590, 1700640, 1969908, 2267520, 2462385, 2626544, 2721024, 2954862, 3283180, 3401280, 3939816, 4535040, 4924770, 5253088, 5909724, 6566360, 6802560, 7387155, 7879632, 9849540, 10506176, 11819448, 13132720, 13605120, 14774310, 15759264, 19699080, 21012352, 23638896, 26265440, 29548620, 31518528, 39398160, 42024704, 47277792, 52530880, 59097240, 63037056, 78796320, 94555584, 105061760, 118194480, 126074112, 157592640, 189111168, 210123520, 236388960, 315185280, 378222336, 472777920, 630370560, 945555840, 1891111680]

約数ペア:

[(1, 1891111680), (2, 945555840), (3, 630370560), (4, 472777920), (5, 378222336), (6, 315185280), (8, 236388960), (9, 210123520), (10, 189111168), (12, 157592640), (15, 126074112), (16, 118194480), (18, 105061760), (20, 94555584), (24, 78796320), (30, 63037056), (32, 59097240), (36, 52530880), (40, 47277792), (45, 42024704), (48, 39398160), (60, 31518528), (64, 29548620), (72, 26265440), (80, 23638896), (90, 21012352), (96, 19699080), (120, 15759264), (128, 14774310), (139, 13605120), (144, 13132720), (160, 11819448), (180, 10506176), (192, 9849540), (240, 7879632), (256, 7387155), (278, 6802560), (288, 6566360), (320, 5909724), (360, 5253088), (384, 4924770), (417, 4535040), (480, 3939816), (556, 3401280), (576, 3283180), (640, 2954862), (695, 2721024), (720, 2626544), (768, 2462385), (834, 2267520), (960, 1969908), (1112, 1700640), (1152, 1641590), (1181, 1601280), (1251, 1511680), (1280, 1477431), (1390, 1360512), (1440, 1313272), (1668, 1133760), (1920, 984954), (2085, 907008), (2224, 850320), (2304, 820795), (2362, 800640), (2502, 755840), (2780, 680256), (2880, 656636), (3336, 566880), (3543, 533760), (3840, 492477), (4170, 453504), (4448, 425160), (4724, 400320), (5004, 377920), (5560, 340128), (5760, 328318), (5905, 320256), (6255, 302336), (6672, 283440), (7086, 266880), (8340, 226752), (8896, 212580), (9448, 200160), (10008, 188960), (10629, 177920), (11120, 170064), (11520, 164159), (11810, 160128), (12510, 151168), (13344, 141720), (14172, 133440), (16680, 113376), (17715, 106752), (17792, 106290), (18896, 100080), (20016, 94480), (21258, 88960), (22240, 85032), (23620, 80064), (25020, 75584), (26688, 70860), (28344, 66720), (33360, 56688), (35430, 53376), (35584, 53145), (37792, 50040), (40032, 47240), (42516, 44480)]