71648640

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{1777}}^1$

素因数の和:1809

約数の個数: 192

約数和(自身を含む): 282915360

約数和(自身を除く): 211266720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1777, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 3554, 4032, 4480, 5040, 5331, 5760, 6720, 7108, 8064, 8885, 10080, 10662, 12439, 13440, 14216, 15993, 17770, 20160, 21324, 24878, 26655, 28432, 31986, 35540, 37317, 40320, 42648, 49756, 53310, 56864, 62195, 63972, 71080, 74634, 79965, 85296, 99512, 106620, 111951, 113728, 124390, 127944, 142160, 149268, 159930, 170592, 186585, 199024, 213240, 223902, 227456, 248780, 255888, 284320, 298536, 319860, 341184, 373170, 398048, 426480, 447804, 497560, 511776, 559755, 568640, 597072, 639720, 682368, 746340, 796096, 852960, 895608, 995120, 1023552, 1119510, 1137280, 1194144, 1279440, 1492680, 1592192, 1705920, 1791216, 1990240, 2047104, 2239020, 2388288, 2558880, 2985360, 3411840, 3582432, 3980480, 4478040, 4776576, 5117760, 5970720, 7164864, 7960960, 8956080, 10235520, 11941440, 14329728, 17912160, 23882880, 35824320, 71648640]

約数ペア:

[(1, 71648640), (2, 35824320), (3, 23882880), (4, 17912160), (5, 14329728), (6, 11941440), (7, 10235520), (8, 8956080), (9, 7960960), (10, 7164864), (12, 5970720), (14, 5117760), (15, 4776576), (16, 4478040), (18, 3980480), (20, 3582432), (21, 3411840), (24, 2985360), (28, 2558880), (30, 2388288), (32, 2239020), (35, 2047104), (36, 1990240), (40, 1791216), (42, 1705920), (45, 1592192), (48, 1492680), (56, 1279440), (60, 1194144), (63, 1137280), (64, 1119510), (70, 1023552), (72, 995120), (80, 895608), (84, 852960), (90, 796096), (96, 746340), (105, 682368), (112, 639720), (120, 597072), (126, 568640), (128, 559755), (140, 511776), (144, 497560), (160, 447804), (168, 426480), (180, 398048), (192, 373170), (210, 341184), (224, 319860), (240, 298536), (252, 284320), (280, 255888), (288, 248780), (315, 227456), (320, 223902), (336, 213240), (360, 199024), (384, 186585), (420, 170592), (448, 159930), (480, 149268), (504, 142160), (560, 127944), (576, 124390), (630, 113728), (640, 111951), (672, 106620), (720, 99512), (840, 85296), (896, 79965), (960, 74634), (1008, 71080), (1120, 63972), (1152, 62195), (1260, 56864), (1344, 53310), (1440, 49756), (1680, 42648), (1777, 40320), (1920, 37317), (2016, 35540), (2240, 31986), (2520, 28432), (2688, 26655), (2880, 24878), (3360, 21324), (3554, 20160), (4032, 17770), (4480, 15993), (5040, 14216), (5331, 13440), (5760, 12439), (6720, 10662), (7108, 10080), (8064, 8885)]