1280078342000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{1637}}^1$

素因数の和:1997

約数の個数: 320

約数和(自身を含む): 3325073431680

約数和(自身を除く): 2044995089680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 109, 125, 136, 170, 200, 211, 218, 250, 272, 340, 400, 422, 425, 436, 500, 545, 680, 844, 850, 872, 1000, 1055, 1090, 1360, 1637, 1688, 1700, 1744, 1853, 2000, 2110, 2125, 2180, 2725, 3274, 3376, 3400, 3587, 3706, 4220, 4250, 4360, 5275, 5450, 6548, 6800, 7174, 7412, 8185, 8440, 8500, 8720, 9265, 10550, 10900, 13096, 13625, 14348, 14824, 16370, 16880, 17000, 17935, 18530, 21100, 21800, 22999, 26192, 26375, 27250, 27829, 28696, 29648, 32740, 34000, 35870, 37060, 40925, 42200, 43600, 45998, 46325, 52750, 54500, 55658, 57392, 65480, 71740, 74120, 81850, 84400, 89675, 91996, 92650, 105500, 109000, 111316, 114995, 130960, 139145, 143480, 148240, 163700, 178433, 179350, 183992, 185300, 204625, 211000, 218000, 222632, 229990, 231625, 278290, 286960, 327400, 345407, 356866, 358700, 367984, 370600, 390983, 409250, 422000, 445264, 448375, 459980, 463250, 556580, 574975, 654800, 690814, 695725, 713732, 717400, 741200, 781966, 818500, 892165, 896750, 919960, 926500, 1113160, 1149950, 1381628, 1391450, 1427464, 1434800, 1563932, 1637000, 1727035, 1784330, 1793500, 1839920, 1853000, 1954915, 2226320, 2299900, 2763256, 2782900, 2854928, 2874875, 3033361, 3127864, 3274000, 3454070, 3478625, 3568660, 3587000, 3706000, 3909830, 4460825, 4599800, 5526512, 5565800, 5749750, 5871919, 6066722, 6255728, 6908140, 6957250, 7137320, 7174000, 7819660, 8635175, 8921650, 9199600, 9774575, 11131600, 11499500, 11743838, 12133444, 13816280, 13914500, 14274640, 15166805, 15639320, 17270350, 17843300, 19549150, 22304125, 22999000, 23487676, 24266888, 27632560, 27829000, 29359595, 30333610, 31278640, 34540700, 35686600, 37649363, 39098300, 43175875, 44608250, 45998000, 46975352, 48533776, 48872875, 55658000, 58719190, 60667220, 69081400, 71373200, 75298726, 75834025, 78196600, 86351750, 89216500, 93950704, 97745750, 117438380, 121334440, 138162800, 146797975, 150597452, 151668050, 156393200, 172703500, 178433000, 188246815, 195491500, 234876760, 242668880, 293595950, 301194904, 303336100, 345407000, 356866000, 376493630, 379170125, 390983000, 469753520, 587191900, 602389808, 606672200, 640039171, 690814000, 733989875, 752987260, 758340250, 781966000, 941234075, 1174383800, 1213344400, 1280078342, 1467979750, 1505974520, 1516680500, 1882468150, 2348767600, 2560156684, 2935959500, 3011949040, 3033361000, 3200195855, 3764936300, 4706170375, 5120313368, 5871919000, 6066722000, 6400391710, 7529872600, 9412340750, 10240626736, 11743838000, 12800783420, 15059745200, 16000979275, 18824681500, 25601566840, 32001958550, 37649363000, 51203133680, 64003917100, 75298726000, 80004896375, 128007834200, 160009792750, 256015668400, 320019585500, 640039171000, 1280078342000]

約数ペア:

[(1, 1280078342000), (2, 640039171000), (4, 320019585500), (5, 256015668400), (8, 160009792750), (10, 128007834200), (16, 80004896375), (17, 75298726000), (20, 64003917100), (25, 51203133680), (34, 37649363000), (40, 32001958550), (50, 25601566840), (68, 18824681500), (80, 16000979275), (85, 15059745200), (100, 12800783420), (109, 11743838000), (125, 10240626736), (136, 9412340750), (170, 7529872600), (200, 6400391710), (211, 6066722000), (218, 5871919000), (250, 5120313368), (272, 4706170375), (340, 3764936300), (400, 3200195855), (422, 3033361000), (425, 3011949040), (436, 2935959500), (500, 2560156684), (545, 2348767600), (680, 1882468150), (844, 1516680500), (850, 1505974520), (872, 1467979750), (1000, 1280078342), (1055, 1213344400), (1090, 1174383800), (1360, 941234075), (1637, 781966000), (1688, 758340250), (1700, 752987260), (1744, 733989875), (1853, 690814000), (2000, 640039171), (2110, 606672200), (2125, 602389808), (2180, 587191900), (2725, 469753520), (3274, 390983000), (3376, 379170125), (3400, 376493630), (3587, 356866000), (3706, 345407000), (4220, 303336100), (4250, 301194904), (4360, 293595950), (5275, 242668880), (5450, 234876760), (6548, 195491500), (6800, 188246815), (7174, 178433000), (7412, 172703500), (8185, 156393200), (8440, 151668050), (8500, 150597452), (8720, 146797975), (9265, 138162800), (10550, 121334440), (10900, 117438380), (13096, 97745750), (13625, 93950704), (14348, 89216500), (14824, 86351750), (16370, 78196600), (16880, 75834025), (17000, 75298726), (17935, 71373200), (18530, 69081400), (21100, 60667220), (21800, 58719190), (22999, 55658000), (26192, 48872875), (26375, 48533776), (27250, 46975352), (27829, 45998000), (28696, 44608250), (29648, 43175875), (32740, 39098300), (34000, 37649363), (35870, 35686600), (37060, 34540700), (40925, 31278640), (42200, 30333610), (43600, 29359595), (45998, 27829000), (46325, 27632560), (52750, 24266888), (54500, 23487676), (55658, 22999000), (57392, 22304125), (65480, 19549150), (71740, 17843300), (74120, 17270350), (81850, 15639320), (84400, 15166805), (89675, 14274640), (91996, 13914500), (92650, 13816280), (105500, 12133444), (109000, 11743838), (111316, 11499500), (114995, 11131600), (130960, 9774575), (139145, 9199600), (143480, 8921650), (148240, 8635175), (163700, 7819660), (178433, 7174000), (179350, 7137320), (183992, 6957250), (185300, 6908140), (204625, 6255728), (211000, 6066722), (218000, 5871919), (222632, 5749750), (229990, 5565800), (231625, 5526512), (278290, 4599800), (286960, 4460825), (327400, 3909830), (345407, 3706000), (356866, 3587000), (358700, 3568660), (367984, 3478625), (370600, 3454070), (390983, 3274000), (409250, 3127864), (422000, 3033361), (445264, 2874875), (448375, 2854928), (459980, 2782900), (463250, 2763256), (556580, 2299900), (574975, 2226320), (654800, 1954915), (690814, 1853000), (695725, 1839920), (713732, 1793500), (717400, 1784330), (741200, 1727035), (781966, 1637000), (818500, 1563932), (892165, 1434800), (896750, 1427464), (919960, 1391450), (926500, 1381628), (1113160, 1149950)]