19880672000

素因数分解:

$2^8\times 5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 432

約数和(自身を含む): 59614813440

約数和(自身を除く): 39734141440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 125, 128, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 256, 280, 310, 320, 350, 392, 400, 409, 434, 448, 490, 496, 500, 560, 620, 640, 700, 775, 784, 800, 818, 868, 875, 896, 980, 992, 1000, 1085, 1120, 1225, 1240, 1280, 1400, 1519, 1550, 1568, 1600, 1636, 1736, 1750, 1792, 1960, 1984, 2000, 2045, 2170, 2240, 2450, 2480, 2800, 2863, 3038, 3100, 3136, 3200, 3272, 3472, 3500, 3875, 3920, 3968, 4000, 4090, 4340, 4480, 4900, 4960, 5425, 5600, 5726, 6076, 6125, 6200, 6272, 6400, 6544, 6944, 7000, 7595, 7750, 7840, 7936, 8000, 8180, 8680, 8960, 9800, 9920, 10225, 10850, 11200, 11452, 12152, 12250, 12400, 12544, 12679, 13088, 13888, 14000, 14315, 15190, 15500, 15680, 16000, 16360, 17360, 19600, 19840, 20041, 20450, 21700, 22400, 22904, 24304, 24500, 24800, 25358, 26176, 27125, 27776, 28000, 28630, 30380, 31000, 31360, 32000, 32720, 34720, 37975, 39200, 39680, 40082, 40900, 43400, 44800, 45808, 48608, 49000, 49600, 50716, 51125, 52352, 54250, 55552, 56000, 57260, 60760, 62000, 62720, 63395, 65440, 69440, 71575, 75950, 78400, 80164, 81800, 86800, 88753, 91616, 97216, 98000, 99200, 100205, 101432, 102250, 104704, 108500, 112000, 114520, 121520, 124000, 126790, 130880, 138880, 143150, 151900, 156800, 160328, 163600, 173600, 177506, 183232, 189875, 194432, 196000, 198400, 200410, 202864, 204500, 217000, 224000, 229040, 243040, 248000, 253580, 261760, 277760, 286300, 303800, 313600, 316975, 320656, 327200, 347200, 355012, 357875, 366464, 379750, 388864, 392000, 400820, 405728, 409000, 434000, 443765, 458080, 486080, 496000, 501025, 507160, 523520, 572600, 607600, 621271, 633950, 641312, 654400, 694400, 710024, 715750, 732928, 759500, 784000, 801640, 811456, 818000, 868000, 887530, 916160, 972160, 992000, 1002050, 1014320, 1145200, 1215200, 1242542, 1267900, 1282624, 1308800, 1388800, 1420048, 1431500, 1519000, 1568000, 1584875, 1603280, 1622912, 1636000, 1736000, 1775060, 1832320, 1944320, 2004100, 2028640, 2218825, 2290400, 2430400, 2485084, 2505125, 2535800, 2565248, 2617600, 2840096, 2863000, 3038000, 3106355, 3169750, 3206560, 3245824, 3272000, 3472000, 3550120, 3664640, 4008200, 4057280, 4437650, 4580800, 4860800, 4970168, 5010250, 5071600, 5130496, 5680192, 5726000, 6076000, 6212710, 6339500, 6413120, 6544000, 6944000, 7100240, 8016400, 8114560, 8875300, 9161600, 9721600, 9940336, 10020500, 10143200, 11094125, 11360384, 11452000, 12152000, 12425420, 12679000, 12826240, 13088000, 14200480, 15531775, 16032800, 16229120, 17750600, 18323200, 19880672, 20041000, 20286400, 22188250, 22720768, 22904000, 24304000, 24850840, 25358000, 25652480, 28400960, 31063550, 32065600, 35501200, 39761344, 40082000, 40572800, 44376500, 45808000, 48608000, 49701680, 50716000, 56801920, 62127100, 64131200, 71002400, 77658875, 79522688, 80164000, 81145600, 88753000, 91616000, 99403360, 101432000, 113603840, 124254200, 128262400, 142004800, 155317750, 159045376, 160328000, 177506000, 198806720, 202864000, 248508400, 284009600, 310635500, 320656000, 355012000, 397613440, 405728000, 497016800, 568019200, 621271000, 641312000, 710024000, 795226880, 994033600, 1242542000, 1420048000, 1988067200, 2485084000, 2840096000, 3976134400, 4970168000, 9940336000, 19880672000]

約数ペア:

[(1, 19880672000), (2, 9940336000), (4, 4970168000), (5, 3976134400), (7, 2840096000), (8, 2485084000), (10, 1988067200), (14, 1420048000), (16, 1242542000), (20, 994033600), (25, 795226880), (28, 710024000), (31, 641312000), (32, 621271000), (35, 568019200), (40, 497016800), (49, 405728000), (50, 397613440), (56, 355012000), (62, 320656000), (64, 310635500), (70, 284009600), (80, 248508400), (98, 202864000), (100, 198806720), (112, 177506000), (124, 160328000), (125, 159045376), (128, 155317750), (140, 142004800), (155, 128262400), (160, 124254200), (175, 113603840), (196, 101432000), (200, 99403360), (217, 91616000), (224, 88753000), (245, 81145600), (248, 80164000), (250, 79522688), (256, 77658875), (280, 71002400), (310, 64131200), (320, 62127100), (350, 56801920), (392, 50716000), (400, 49701680), (409, 48608000), (434, 45808000), (448, 44376500), (490, 40572800), (496, 40082000), (500, 39761344), (560, 35501200), (620, 32065600), (640, 31063550), (700, 28400960), (775, 25652480), (784, 25358000), (800, 24850840), (818, 24304000), (868, 22904000), (875, 22720768), (896, 22188250), (980, 20286400), (992, 20041000), (1000, 19880672), (1085, 18323200), (1120, 17750600), (1225, 16229120), (1240, 16032800), (1280, 15531775), (1400, 14200480), (1519, 13088000), (1550, 12826240), (1568, 12679000), (1600, 12425420), (1636, 12152000), (1736, 11452000), (1750, 11360384), (1792, 11094125), (1960, 10143200), (1984, 10020500), (2000, 9940336), (2045, 9721600), (2170, 9161600), (2240, 8875300), (2450, 8114560), (2480, 8016400), (2800, 7100240), (2863, 6944000), (3038, 6544000), (3100, 6413120), (3136, 6339500), (3200, 6212710), (3272, 6076000), (3472, 5726000), (3500, 5680192), (3875, 5130496), (3920, 5071600), (3968, 5010250), (4000, 4970168), (4090, 4860800), (4340, 4580800), (4480, 4437650), (4900, 4057280), (4960, 4008200), (5425, 3664640), (5600, 3550120), (5726, 3472000), (6076, 3272000), (6125, 3245824), (6200, 3206560), (6272, 3169750), (6400, 3106355), (6544, 3038000), (6944, 2863000), (7000, 2840096), (7595, 2617600), (7750, 2565248), (7840, 2535800), (7936, 2505125), (8000, 2485084), (8180, 2430400), (8680, 2290400), (8960, 2218825), (9800, 2028640), (9920, 2004100), (10225, 1944320), (10850, 1832320), (11200, 1775060), (11452, 1736000), (12152, 1636000), (12250, 1622912), (12400, 1603280), (12544, 1584875), (12679, 1568000), (13088, 1519000), (13888, 1431500), (14000, 1420048), (14315, 1388800), (15190, 1308800), (15500, 1282624), (15680, 1267900), (16000, 1242542), (16360, 1215200), (17360, 1145200), (19600, 1014320), (19840, 1002050), (20041, 992000), (20450, 972160), (21700, 916160), (22400, 887530), (22904, 868000), (24304, 818000), (24500, 811456), (24800, 801640), (25358, 784000), (26176, 759500), (27125, 732928), (27776, 715750), (28000, 710024), (28630, 694400), (30380, 654400), (31000, 641312), (31360, 633950), (32000, 621271), (32720, 607600), (34720, 572600), (37975, 523520), (39200, 507160), (39680, 501025), (40082, 496000), (40900, 486080), (43400, 458080), (44800, 443765), (45808, 434000), (48608, 409000), (49000, 405728), (49600, 400820), (50716, 392000), (51125, 388864), (52352, 379750), (54250, 366464), (55552, 357875), (56000, 355012), (57260, 347200), (60760, 327200), (62000, 320656), (62720, 316975), (63395, 313600), (65440, 303800), (69440, 286300), (71575, 277760), (75950, 261760), (78400, 253580), (80164, 248000), (81800, 243040), (86800, 229040), (88753, 224000), (91616, 217000), (97216, 204500), (98000, 202864), (99200, 200410), (100205, 198400), (101432, 196000), (102250, 194432), (104704, 189875), (108500, 183232), (112000, 177506), (114520, 173600), (121520, 163600), (124000, 160328), (126790, 156800), (130880, 151900), (138880, 143150)]