18881720000

素因数分解:

$2^6\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3301}}^1$

素因数の和:3357

約数の個数: 280

約数和(自身を含む): 55022599632

約数和(自身を除く): 36140879632

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 64, 65, 80, 88, 100, 104, 110, 125, 130, 143, 160, 176, 200, 208, 220, 250, 260, 275, 286, 320, 325, 352, 400, 416, 440, 500, 520, 550, 572, 625, 650, 704, 715, 800, 832, 880, 1000, 1040, 1100, 1144, 1250, 1300, 1375, 1430, 1600, 1625, 1760, 2000, 2080, 2200, 2288, 2500, 2600, 2750, 2860, 3250, 3301, 3520, 3575, 4000, 4160, 4400, 4576, 5000, 5200, 5500, 5720, 6500, 6602, 6875, 7150, 8000, 8125, 8800, 9152, 10000, 10400, 11000, 11440, 13000, 13204, 13750, 14300, 16250, 16505, 17600, 17875, 20000, 20800, 22000, 22880, 26000, 26408, 27500, 28600, 32500, 33010, 35750, 36311, 40000, 42913, 44000, 45760, 52000, 52816, 55000, 57200, 65000, 66020, 71500, 72622, 82525, 85826, 88000, 89375, 104000, 105632, 110000, 114400, 130000, 132040, 143000, 145244, 165050, 171652, 178750, 181555, 211264, 214565, 220000, 228800, 260000, 264080, 286000, 290488, 330100, 343304, 357500, 363110, 412625, 429130, 440000, 472043, 520000, 528160, 572000, 580976, 660200, 686608, 715000, 726220, 825250, 858260, 907775, 944086, 1056320, 1072825, 1144000, 1161952, 1320400, 1373216, 1430000, 1452440, 1650500, 1716520, 1815550, 1888172, 2063125, 2145650, 2323904, 2360215, 2640800, 2746432, 2860000, 2904880, 3301000, 3433040, 3631100, 3776344, 4126250, 4291300, 4538875, 4720430, 5281600, 5364125, 5720000, 5809760, 6602000, 6866080, 7262200, 7552688, 8252500, 8582600, 9077750, 9440860, 10728250, 11619520, 11801075, 13204000, 13732160, 14524400, 15105376, 16505000, 17165200, 18155500, 18881720, 21456500, 22694375, 23602150, 26408000, 26820625, 29048800, 30210752, 33010000, 34330400, 36311000, 37763440, 42913000, 45388750, 47204300, 53641250, 58097600, 59005375, 66020000, 68660800, 72622000, 75526880, 85826000, 90777500, 94408600, 107282500, 118010750, 132040000, 145244000, 151053760, 171652000, 181555000, 188817200, 214565000, 236021500, 290488000, 295026875, 343304000, 363110000, 377634400, 429130000, 472043000, 590053750, 726220000, 755268800, 858260000, 944086000, 1180107500, 1452440000, 1716520000, 1888172000, 2360215000, 3776344000, 4720430000, 9440860000, 18881720000]

約数ペア:

[(1, 18881720000), (2, 9440860000), (4, 4720430000), (5, 3776344000), (8, 2360215000), (10, 1888172000), (11, 1716520000), (13, 1452440000), (16, 1180107500), (20, 944086000), (22, 858260000), (25, 755268800), (26, 726220000), (32, 590053750), (40, 472043000), (44, 429130000), (50, 377634400), (52, 363110000), (55, 343304000), (64, 295026875), (65, 290488000), (80, 236021500), (88, 214565000), (100, 188817200), (104, 181555000), (110, 171652000), (125, 151053760), (130, 145244000), (143, 132040000), (160, 118010750), (176, 107282500), (200, 94408600), (208, 90777500), (220, 85826000), (250, 75526880), (260, 72622000), (275, 68660800), (286, 66020000), (320, 59005375), (325, 58097600), (352, 53641250), (400, 47204300), (416, 45388750), (440, 42913000), (500, 37763440), (520, 36311000), (550, 34330400), (572, 33010000), (625, 30210752), (650, 29048800), (704, 26820625), (715, 26408000), (800, 23602150), (832, 22694375), (880, 21456500), (1000, 18881720), (1040, 18155500), (1100, 17165200), (1144, 16505000), (1250, 15105376), (1300, 14524400), (1375, 13732160), (1430, 13204000), (1600, 11801075), (1625, 11619520), (1760, 10728250), (2000, 9440860), (2080, 9077750), (2200, 8582600), (2288, 8252500), (2500, 7552688), (2600, 7262200), (2750, 6866080), (2860, 6602000), (3250, 5809760), (3301, 5720000), (3520, 5364125), (3575, 5281600), (4000, 4720430), (4160, 4538875), (4400, 4291300), (4576, 4126250), (5000, 3776344), (5200, 3631100), (5500, 3433040), (5720, 3301000), (6500, 2904880), (6602, 2860000), (6875, 2746432), (7150, 2640800), (8000, 2360215), (8125, 2323904), (8800, 2145650), (9152, 2063125), (10000, 1888172), (10400, 1815550), (11000, 1716520), (11440, 1650500), (13000, 1452440), (13204, 1430000), (13750, 1373216), (14300, 1320400), (16250, 1161952), (16505, 1144000), (17600, 1072825), (17875, 1056320), (20000, 944086), (20800, 907775), (22000, 858260), (22880, 825250), (26000, 726220), (26408, 715000), (27500, 686608), (28600, 660200), (32500, 580976), (33010, 572000), (35750, 528160), (36311, 520000), (40000, 472043), (42913, 440000), (44000, 429130), (45760, 412625), (52000, 363110), (52816, 357500), (55000, 343304), (57200, 330100), (65000, 290488), (66020, 286000), (71500, 264080), (72622, 260000), (82525, 228800), (85826, 220000), (88000, 214565), (89375, 211264), (104000, 181555), (105632, 178750), (110000, 171652), (114400, 165050), (130000, 145244), (132040, 143000)]