81421998480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{125791}}^1$

素因数の和:125870

約数の個数: 240

約数和(自身を含む): 291998453760

約数和(自身を除く): 210576455280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 279, 290, 310, 348, 360, 372, 435, 464, 465, 496, 522, 558, 580, 620, 696, 720, 744, 870, 899, 930, 1044, 1116, 1160, 1240, 1305, 1392, 1395, 1488, 1740, 1798, 1860, 2088, 2232, 2320, 2480, 2610, 2697, 2790, 3480, 3596, 3720, 4176, 4464, 4495, 5220, 5394, 5580, 6960, 7192, 7440, 8091, 8990, 10440, 10788, 11160, 13485, 14384, 16182, 17980, 20880, 21576, 22320, 26970, 32364, 35960, 40455, 43152, 53940, 64728, 71920, 80910, 107880, 125791, 129456, 161820, 215760, 251582, 323640, 377373, 503164, 628955, 647280, 754746, 1006328, 1132119, 1257910, 1509492, 1886865, 2012656, 2264238, 2515820, 3018984, 3647939, 3773730, 3899521, 4528476, 5031640, 5660595, 6037968, 7295878, 7547460, 7799042, 9056952, 10063280, 10943817, 11321190, 11698563, 14591756, 15094920, 15598084, 18113904, 18239695, 19497605, 21887634, 22642380, 23397126, 29183512, 30189840, 31196168, 32831451, 35095689, 36479390, 38995210, 43775268, 45284760, 46794252, 54719085, 58367024, 58492815, 62392336, 65662902, 70191378, 72958780, 77990420, 87550536, 90569520, 93588504, 109438170, 113086109, 116985630, 131325804, 140382756, 145917560, 155980840, 164157255, 175101072, 175478445, 187177008, 218876340, 226172218, 233971260, 262651608, 280765512, 291835120, 311961680, 328314510, 339258327, 350956890, 437752680, 452344436, 467942520, 525303216, 561531024, 565430545, 656629020, 678516654, 701913780, 875505360, 904688872, 935885040, 1017774981, 1130861090, 1313258040, 1357033308, 1403827560, 1696291635, 1809377744, 2035549962, 2261722180, 2626516080, 2714066616, 2807655120, 3392583270, 4071099924, 4523444360, 5088874905, 5428133232, 6785166540, 8142199848, 9046888720, 10177749810, 13570333080, 16284399696, 20355499620, 27140666160, 40710999240, 81421998480]

約数ペア:

[(1, 81421998480), (2, 40710999240), (3, 27140666160), (4, 20355499620), (5, 16284399696), (6, 13570333080), (8, 10177749810), (9, 9046888720), (10, 8142199848), (12, 6785166540), (15, 5428133232), (16, 5088874905), (18, 4523444360), (20, 4071099924), (24, 3392583270), (29, 2807655120), (30, 2714066616), (31, 2626516080), (36, 2261722180), (40, 2035549962), (45, 1809377744), (48, 1696291635), (58, 1403827560), (60, 1357033308), (62, 1313258040), (72, 1130861090), (80, 1017774981), (87, 935885040), (90, 904688872), (93, 875505360), (116, 701913780), (120, 678516654), (124, 656629020), (144, 565430545), (145, 561531024), (155, 525303216), (174, 467942520), (180, 452344436), (186, 437752680), (232, 350956890), (240, 339258327), (248, 328314510), (261, 311961680), (279, 291835120), (290, 280765512), (310, 262651608), (348, 233971260), (360, 226172218), (372, 218876340), (435, 187177008), (464, 175478445), (465, 175101072), (496, 164157255), (522, 155980840), (558, 145917560), (580, 140382756), (620, 131325804), (696, 116985630), (720, 113086109), (744, 109438170), (870, 93588504), (899, 90569520), (930, 87550536), (1044, 77990420), (1116, 72958780), (1160, 70191378), (1240, 65662902), (1305, 62392336), (1392, 58492815), (1395, 58367024), (1488, 54719085), (1740, 46794252), (1798, 45284760), (1860, 43775268), (2088, 38995210), (2232, 36479390), (2320, 35095689), (2480, 32831451), (2610, 31196168), (2697, 30189840), (2790, 29183512), (3480, 23397126), (3596, 22642380), (3720, 21887634), (4176, 19497605), (4464, 18239695), (4495, 18113904), (5220, 15598084), (5394, 15094920), (5580, 14591756), (6960, 11698563), (7192, 11321190), (7440, 10943817), (8091, 10063280), (8990, 9056952), (10440, 7799042), (10788, 7547460), (11160, 7295878), (13485, 6037968), (14384, 5660595), (16182, 5031640), (17980, 4528476), (20880, 3899521), (21576, 3773730), (22320, 3647939), (26970, 3018984), (32364, 2515820), (35960, 2264238), (40455, 2012656), (43152, 1886865), (53940, 1509492), (64728, 1257910), (71920, 1132119), (80910, 1006328), (107880, 754746), (125791, 647280), (129456, 628955), (161820, 503164), (215760, 377373), (251582, 323640)]