81636719360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 432

約数和(自身を含む): 243563040000

約数和(自身を除く): 161926320640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 128, 133, 140, 152, 155, 160, 190, 217, 224, 248, 256, 266, 280, 304, 310, 320, 380, 434, 448, 496, 499, 532, 560, 589, 608, 620, 640, 665, 760, 868, 896, 961, 992, 998, 1064, 1085, 1120, 1178, 1216, 1240, 1280, 1330, 1520, 1736, 1792, 1922, 1984, 1996, 2128, 2170, 2240, 2356, 2432, 2480, 2495, 2660, 2945, 3040, 3472, 3493, 3844, 3968, 3992, 4123, 4256, 4340, 4480, 4712, 4805, 4864, 4960, 4990, 5320, 5890, 6080, 6727, 6944, 6986, 7688, 7936, 7984, 8246, 8512, 8680, 8960, 9424, 9481, 9610, 9920, 9980, 10640, 11780, 12160, 13454, 13888, 13972, 15376, 15469, 15968, 16492, 17024, 17360, 17465, 18259, 18848, 18962, 19220, 19840, 19960, 20615, 21280, 23560, 24320, 26908, 27776, 27944, 30752, 30938, 31936, 32984, 33635, 34048, 34720, 34930, 36518, 37696, 37924, 38440, 39680, 39920, 41230, 42560, 47120, 47405, 53816, 55552, 55888, 61504, 61876, 63872, 65968, 66367, 67270, 69440, 69860, 73036, 75392, 75848, 76880, 77345, 79840, 82460, 85120, 91295, 94240, 94810, 107632, 108283, 111776, 123008, 123752, 127744, 127813, 131936, 132734, 134540, 138880, 139720, 146072, 150784, 151696, 153760, 154690, 159680, 164920, 170240, 182590, 188480, 189620, 215264, 216566, 223552, 246016, 247504, 255626, 263872, 265468, 269080, 277760, 279440, 292144, 293911, 303392, 307520, 309380, 319360, 329840, 331835, 365180, 376960, 379240, 430528, 433132, 447104, 479539, 495008, 511252, 527744, 530936, 538160, 541415, 558880, 584288, 587822, 606784, 615040, 618760, 638720, 639065, 659680, 663670, 730360, 753920, 758480, 861056, 866264, 894208, 959078, 990016, 1022504, 1055488, 1061872, 1076320, 1082830, 1117760, 1168576, 1175644, 1213568, 1230080, 1237520, 1278130, 1319360, 1327340, 1460720, 1469555, 1516960, 1722112, 1732528, 1918156, 1980032, 2045008, 2057377, 2123744, 2152640, 2165660, 2235520, 2337152, 2351288, 2397695, 2427136, 2475040, 2556260, 2638720, 2654680, 2921440, 2939110, 3033920, 3356773, 3465056, 3836312, 3960064, 4090016, 4114754, 4247488, 4305280, 4331320, 4471040, 4674304, 4702576, 4795390, 4950080, 5112520, 5277440, 5309360, 5842880, 5878220, 6067840, 6713546, 6930112, 7672624, 8180032, 8229508, 8494976, 8610560, 8662640, 9111241, 9405152, 9590780, 9900160, 10225040, 10286885, 10618720, 11685760, 11756440, 12135680, 13427092, 13860224, 15345248, 16360064, 16459016, 16783865, 16989952, 17325280, 18222482, 18810304, 19181560, 19800320, 20450080, 20573770, 21237440, 23371520, 23512880, 26854184, 27720448, 30690496, 32720128, 32918032, 33567730, 34650560, 36444964, 37620608, 38363120, 40900160, 41147540, 42474880, 45556205, 47025760, 53708368, 61380992, 63778687, 65836064, 67135460, 69301120, 72889928, 75241216, 76726240, 81800320, 82295080, 84949760, 91112410, 94051520, 107416736, 122761984, 127557374, 131672128, 134270920, 138602240, 145779856, 153452480, 163600640, 164590160, 182224820, 188103040, 214833472, 255114748, 263344256, 268541840, 291559712, 306904960, 318893435, 329180320, 364449640, 376206080, 429666944, 510229496, 526688512, 537083680, 583119424, 613809920, 637786870, 658360640, 728899280, 859333888, 1020458992, 1074167360, 1166238848, 1275573740, 1316721280, 1457798560, 2040917984, 2148334720, 2332477696, 2551147480, 2633442560, 2915597120, 4081835968, 4296669440, 5102294960, 5831194240, 8163671936, 10204589920, 11662388480, 16327343872, 20409179840, 40818359680, 81636719360]

約数ペア:

[(1, 81636719360), (2, 40818359680), (4, 20409179840), (5, 16327343872), (7, 11662388480), (8, 10204589920), (10, 8163671936), (14, 5831194240), (16, 5102294960), (19, 4296669440), (20, 4081835968), (28, 2915597120), (31, 2633442560), (32, 2551147480), (35, 2332477696), (38, 2148334720), (40, 2040917984), (56, 1457798560), (62, 1316721280), (64, 1275573740), (70, 1166238848), (76, 1074167360), (80, 1020458992), (95, 859333888), (112, 728899280), (124, 658360640), (128, 637786870), (133, 613809920), (140, 583119424), (152, 537083680), (155, 526688512), (160, 510229496), (190, 429666944), (217, 376206080), (224, 364449640), (248, 329180320), (256, 318893435), (266, 306904960), (280, 291559712), (304, 268541840), (310, 263344256), (320, 255114748), (380, 214833472), (434, 188103040), (448, 182224820), (496, 164590160), (499, 163600640), (532, 153452480), (560, 145779856), (589, 138602240), (608, 134270920), (620, 131672128), (640, 127557374), (665, 122761984), (760, 107416736), (868, 94051520), (896, 91112410), (961, 84949760), (992, 82295080), (998, 81800320), (1064, 76726240), (1085, 75241216), (1120, 72889928), (1178, 69301120), (1216, 67135460), (1240, 65836064), (1280, 63778687), (1330, 61380992), (1520, 53708368), (1736, 47025760), (1792, 45556205), (1922, 42474880), (1984, 41147540), (1996, 40900160), (2128, 38363120), (2170, 37620608), (2240, 36444964), (2356, 34650560), (2432, 33567730), (2480, 32918032), (2495, 32720128), (2660, 30690496), (2945, 27720448), (3040, 26854184), (3472, 23512880), (3493, 23371520), (3844, 21237440), (3968, 20573770), (3992, 20450080), (4123, 19800320), (4256, 19181560), (4340, 18810304), (4480, 18222482), (4712, 17325280), (4805, 16989952), (4864, 16783865), (4960, 16459016), (4990, 16360064), (5320, 15345248), (5890, 13860224), (6080, 13427092), (6727, 12135680), (6944, 11756440), (6986, 11685760), (7688, 10618720), (7936, 10286885), (7984, 10225040), (8246, 9900160), (8512, 9590780), (8680, 9405152), (8960, 9111241), (9424, 8662640), (9481, 8610560), (9610, 8494976), (9920, 8229508), (9980, 8180032), (10640, 7672624), (11780, 6930112), (12160, 6713546), (13454, 6067840), (13888, 5878220), (13972, 5842880), (15376, 5309360), (15469, 5277440), (15968, 5112520), (16492, 4950080), (17024, 4795390), (17360, 4702576), (17465, 4674304), (18259, 4471040), (18848, 4331320), (18962, 4305280), (19220, 4247488), (19840, 4114754), (19960, 4090016), (20615, 3960064), (21280, 3836312), (23560, 3465056), (24320, 3356773), (26908, 3033920), (27776, 2939110), (27944, 2921440), (30752, 2654680), (30938, 2638720), (31936, 2556260), (32984, 2475040), (33635, 2427136), (34048, 2397695), (34720, 2351288), (34930, 2337152), (36518, 2235520), (37696, 2165660), (37924, 2152640), (38440, 2123744), (39680, 2057377), (39920, 2045008), (41230, 1980032), (42560, 1918156), (47120, 1732528), (47405, 1722112), (53816, 1516960), (55552, 1469555), (55888, 1460720), (61504, 1327340), (61876, 1319360), (63872, 1278130), (65968, 1237520), (66367, 1230080), (67270, 1213568), (69440, 1175644), (69860, 1168576), (73036, 1117760), (75392, 1082830), (75848, 1076320), (76880, 1061872), (77345, 1055488), (79840, 1022504), (82460, 990016), (85120, 959078), (91295, 894208), (94240, 866264), (94810, 861056), (107632, 758480), (108283, 753920), (111776, 730360), (123008, 663670), (123752, 659680), (127744, 639065), (127813, 638720), (131936, 618760), (132734, 615040), (134540, 606784), (138880, 587822), (139720, 584288), (146072, 558880), (150784, 541415), (151696, 538160), (153760, 530936), (154690, 527744), (159680, 511252), (164920, 495008), (170240, 479539), (182590, 447104), (188480, 433132), (189620, 430528), (215264, 379240), (216566, 376960), (223552, 365180), (246016, 331835), (247504, 329840), (255626, 319360), (263872, 309380), (265468, 307520), (269080, 303392), (277760, 293911), (279440, 292144)]