8720357520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{6803}}^1$

素因数の和:6942

約数の個数: 240

約数和(自身を含む): 31739843520

約数和(自身を除く): 23019486000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 109, 112, 120, 140, 147, 168, 196, 210, 218, 240, 245, 280, 294, 327, 336, 392, 420, 436, 490, 545, 560, 588, 654, 735, 763, 784, 840, 872, 980, 1090, 1176, 1308, 1470, 1526, 1635, 1680, 1744, 1960, 2180, 2289, 2352, 2616, 2940, 3052, 3270, 3815, 3920, 4360, 4578, 5232, 5341, 5880, 6104, 6540, 6803, 7630, 8720, 9156, 10682, 11445, 11760, 12208, 13080, 13606, 15260, 16023, 18312, 20409, 21364, 22890, 26160, 26705, 27212, 30520, 32046, 34015, 36624, 40818, 42728, 45780, 47621, 53410, 54424, 61040, 64092, 68030, 80115, 81636, 85456, 91560, 95242, 102045, 106820, 108848, 128184, 136060, 142863, 160230, 163272, 183120, 190484, 204090, 213640, 238105, 256368, 272120, 285726, 320460, 326544, 333347, 380968, 408180, 427280, 476210, 544240, 571452, 640920, 666694, 714315, 741527, 761936, 816360, 952420, 1000041, 1142904, 1281840, 1333388, 1428630, 1483054, 1632720, 1666735, 1904840, 2000082, 2224581, 2285808, 2666776, 2857260, 2966108, 3333470, 3707635, 3809680, 4000164, 4449162, 5000205, 5190689, 5333552, 5714520, 5932216, 6666940, 7415270, 8000328, 8898324, 10000410, 10381378, 11122905, 11429040, 11864432, 13333880, 14830540, 15572067, 16000656, 17796648, 20000820, 20762756, 22245810, 25953445, 26667760, 29661080, 31144134, 35593296, 36334823, 40001640, 41525512, 44491620, 51906890, 59322160, 62288268, 72669646, 77860335, 80003280, 83051024, 88983240, 103813780, 109004469, 124576536, 145339292, 155720670, 177966480, 181674115, 207627560, 218008938, 249153072, 290678584, 311441340, 363348230, 415255120, 436017876, 545022345, 581357168, 622882680, 726696460, 872035752, 1090044690, 1245765360, 1453392920, 1744071504, 2180089380, 2906785840, 4360178760, 8720357520]

約数ペア:

[(1, 8720357520), (2, 4360178760), (3, 2906785840), (4, 2180089380), (5, 1744071504), (6, 1453392920), (7, 1245765360), (8, 1090044690), (10, 872035752), (12, 726696460), (14, 622882680), (15, 581357168), (16, 545022345), (20, 436017876), (21, 415255120), (24, 363348230), (28, 311441340), (30, 290678584), (35, 249153072), (40, 218008938), (42, 207627560), (48, 181674115), (49, 177966480), (56, 155720670), (60, 145339292), (70, 124576536), (80, 109004469), (84, 103813780), (98, 88983240), (105, 83051024), (109, 80003280), (112, 77860335), (120, 72669646), (140, 62288268), (147, 59322160), (168, 51906890), (196, 44491620), (210, 41525512), (218, 40001640), (240, 36334823), (245, 35593296), (280, 31144134), (294, 29661080), (327, 26667760), (336, 25953445), (392, 22245810), (420, 20762756), (436, 20000820), (490, 17796648), (545, 16000656), (560, 15572067), (588, 14830540), (654, 13333880), (735, 11864432), (763, 11429040), (784, 11122905), (840, 10381378), (872, 10000410), (980, 8898324), (1090, 8000328), (1176, 7415270), (1308, 6666940), (1470, 5932216), (1526, 5714520), (1635, 5333552), (1680, 5190689), (1744, 5000205), (1960, 4449162), (2180, 4000164), (2289, 3809680), (2352, 3707635), (2616, 3333470), (2940, 2966108), (3052, 2857260), (3270, 2666776), (3815, 2285808), (3920, 2224581), (4360, 2000082), (4578, 1904840), (5232, 1666735), (5341, 1632720), (5880, 1483054), (6104, 1428630), (6540, 1333388), (6803, 1281840), (7630, 1142904), (8720, 1000041), (9156, 952420), (10682, 816360), (11445, 761936), (11760, 741527), (12208, 714315), (13080, 666694), (13606, 640920), (15260, 571452), (16023, 544240), (18312, 476210), (20409, 427280), (21364, 408180), (22890, 380968), (26160, 333347), (26705, 326544), (27212, 320460), (30520, 285726), (32046, 272120), (34015, 256368), (36624, 238105), (40818, 213640), (42728, 204090), (45780, 190484), (47621, 183120), (53410, 163272), (54424, 160230), (61040, 142863), (64092, 136060), (68030, 128184), (80115, 108848), (81636, 106820), (85456, 102045), (91560, 95242)]