21128535000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 480

約数和(自身を含む): 76975984800

約数和(自身を除く): 55847449800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 71, 72, 75, 85, 90, 100, 102, 120, 125, 136, 142, 150, 153, 170, 180, 200, 204, 213, 225, 250, 255, 284, 300, 306, 340, 355, 360, 375, 389, 408, 425, 426, 450, 500, 510, 568, 600, 612, 625, 639, 680, 710, 750, 765, 778, 850, 852, 900, 1000, 1020, 1065, 1125, 1167, 1207, 1224, 1250, 1275, 1278, 1420, 1500, 1530, 1556, 1700, 1704, 1775, 1800, 1875, 1945, 2040, 2125, 2130, 2250, 2334, 2414, 2500, 2550, 2556, 2840, 3000, 3060, 3112, 3195, 3400, 3501, 3550, 3621, 3750, 3825, 3890, 4250, 4260, 4500, 4668, 4828, 5000, 5100, 5112, 5325, 5625, 5835, 6035, 6120, 6375, 6390, 6613, 7002, 7100, 7242, 7500, 7650, 7780, 8500, 8520, 8875, 9000, 9336, 9656, 9725, 10200, 10625, 10650, 10863, 11250, 11670, 12070, 12750, 12780, 13226, 14004, 14200, 14484, 15000, 15300, 15560, 15975, 17000, 17505, 17750, 18105, 19125, 19450, 19839, 21250, 21300, 21726, 22500, 23340, 24140, 25500, 25560, 26452, 26625, 27619, 28008, 28968, 29175, 30175, 30600, 31875, 31950, 33065, 35010, 35500, 36210, 38250, 38900, 39678, 42500, 42600, 43452, 44375, 45000, 46680, 48280, 48625, 51000, 52904, 53250, 54315, 55238, 58350, 59517, 60350, 63750, 63900, 66130, 70020, 71000, 72420, 76500, 77800, 79356, 79875, 82857, 85000, 86904, 87525, 88750, 90525, 95625, 97250, 99195, 106500, 108630, 110476, 116700, 119034, 120700, 127500, 127800, 132260, 133125, 138095, 140040, 144840, 145875, 150875, 153000, 158712, 159750, 165325, 165714, 175050, 177500, 181050, 191250, 194500, 198390, 213000, 217260, 220952, 233400, 238068, 241400, 243125, 248571, 255000, 264520, 266250, 271575, 276190, 291750, 297585, 301750, 319500, 330650, 331428, 350100, 355000, 362100, 382500, 389000, 396780, 399375, 414285, 434520, 437625, 452625, 469523, 476136, 486250, 495975, 497142, 532500, 543150, 552380, 583500, 595170, 603500, 639000, 661300, 662856, 690475, 700200, 724200, 729375, 754375, 765000, 793560, 798750, 826625, 828570, 875250, 905250, 939046, 972500, 991950, 994284, 1065000, 1086300, 1104760, 1167000, 1190340, 1207000, 1242855, 1322600, 1357875, 1380950, 1408569, 1458750, 1487925, 1508750, 1597500, 1653250, 1657140, 1750500, 1810500, 1878092, 1945000, 1983900, 1988568, 2071425, 2172600, 2188125, 2263125, 2347615, 2380680, 2479875, 2485710, 2715750, 2761900, 2817138, 2917500, 2975850, 3017500, 3195000, 3306500, 3314280, 3452375, 3501000, 3621000, 3756184, 3967800, 4133125, 4142850, 4225707, 4376250, 4526250, 4695230, 4959750, 4971420, 5431500, 5523800, 5634276, 5835000, 5951700, 6035000, 6214275, 6613000, 6789375, 6904750, 7042845, 7439625, 8266250, 8285700, 8451414, 8752500, 9052500, 9390460, 9919500, 9942840, 10357125, 10863000, 11268552, 11738075, 11903400, 12399375, 12428550, 13578750, 13809500, 14085690, 14879250, 16532500, 16571400, 16902828, 17261875, 17505000, 18105000, 18780920, 19839000, 20714250, 21128535, 23476150, 24798750, 24857100, 27157500, 27619000, 28171380, 29758500, 31071375, 33065000, 33805656, 34523750, 35214225, 37198125, 41428500, 42257070, 46952300, 49597500, 49714200, 51785625, 54315000, 56342760, 58690375, 59517000, 62142750, 69047500, 70428450, 74396250, 82857000, 84514140, 93904600, 99195000, 103571250, 105642675, 117380750, 124285500, 138095000, 140856900, 148792500, 155356875, 169028280, 176071125, 207142500, 211285350, 234761500, 248571000, 281713800, 293451875, 297585000, 310713750, 352142250, 414285000, 422570700, 469523000, 528213375, 586903750, 621427500, 704284500, 845141400, 880355625, 1056426750, 1173807500, 1242855000, 1408569000, 1760711250, 2112853500, 2347615000, 2641066875, 3521422500, 4225707000, 5282133750, 7042845000, 10564267500, 21128535000]

約数ペア:

[(1, 21128535000), (2, 10564267500), (3, 7042845000), (4, 5282133750), (5, 4225707000), (6, 3521422500), (8, 2641066875), (9, 2347615000), (10, 2112853500), (12, 1760711250), (15, 1408569000), (17, 1242855000), (18, 1173807500), (20, 1056426750), (24, 880355625), (25, 845141400), (30, 704284500), (34, 621427500), (36, 586903750), (40, 528213375), (45, 469523000), (50, 422570700), (51, 414285000), (60, 352142250), (68, 310713750), (71, 297585000), (72, 293451875), (75, 281713800), (85, 248571000), (90, 234761500), (100, 211285350), (102, 207142500), (120, 176071125), (125, 169028280), (136, 155356875), (142, 148792500), (150, 140856900), (153, 138095000), (170, 124285500), (180, 117380750), (200, 105642675), (204, 103571250), (213, 99195000), (225, 93904600), (250, 84514140), (255, 82857000), (284, 74396250), (300, 70428450), (306, 69047500), (340, 62142750), (355, 59517000), (360, 58690375), (375, 56342760), (389, 54315000), (408, 51785625), (425, 49714200), (426, 49597500), (450, 46952300), (500, 42257070), (510, 41428500), (568, 37198125), (600, 35214225), (612, 34523750), (625, 33805656), (639, 33065000), (680, 31071375), (710, 29758500), (750, 28171380), (765, 27619000), (778, 27157500), (850, 24857100), (852, 24798750), (900, 23476150), (1000, 21128535), (1020, 20714250), (1065, 19839000), (1125, 18780920), (1167, 18105000), (1207, 17505000), (1224, 17261875), (1250, 16902828), (1275, 16571400), (1278, 16532500), (1420, 14879250), (1500, 14085690), (1530, 13809500), (1556, 13578750), (1700, 12428550), (1704, 12399375), (1775, 11903400), (1800, 11738075), (1875, 11268552), (1945, 10863000), (2040, 10357125), (2125, 9942840), (2130, 9919500), (2250, 9390460), (2334, 9052500), (2414, 8752500), (2500, 8451414), (2550, 8285700), (2556, 8266250), (2840, 7439625), (3000, 7042845), (3060, 6904750), (3112, 6789375), (3195, 6613000), (3400, 6214275), (3501, 6035000), (3550, 5951700), (3621, 5835000), (3750, 5634276), (3825, 5523800), (3890, 5431500), (4250, 4971420), (4260, 4959750), (4500, 4695230), (4668, 4526250), (4828, 4376250), (5000, 4225707), (5100, 4142850), (5112, 4133125), (5325, 3967800), (5625, 3756184), (5835, 3621000), (6035, 3501000), (6120, 3452375), (6375, 3314280), (6390, 3306500), (6613, 3195000), (7002, 3017500), (7100, 2975850), (7242, 2917500), (7500, 2817138), (7650, 2761900), (7780, 2715750), (8500, 2485710), (8520, 2479875), (8875, 2380680), (9000, 2347615), (9336, 2263125), (9656, 2188125), (9725, 2172600), (10200, 2071425), (10625, 1988568), (10650, 1983900), (10863, 1945000), (11250, 1878092), (11670, 1810500), (12070, 1750500), (12750, 1657140), (12780, 1653250), (13226, 1597500), (14004, 1508750), (14200, 1487925), (14484, 1458750), (15000, 1408569), (15300, 1380950), (15560, 1357875), (15975, 1322600), (17000, 1242855), (17505, 1207000), (17750, 1190340), (18105, 1167000), (19125, 1104760), (19450, 1086300), (19839, 1065000), (21250, 994284), (21300, 991950), (21726, 972500), (22500, 939046), (23340, 905250), (24140, 875250), (25500, 828570), (25560, 826625), (26452, 798750), (26625, 793560), (27619, 765000), (28008, 754375), (28968, 729375), (29175, 724200), (30175, 700200), (30600, 690475), (31875, 662856), (31950, 661300), (33065, 639000), (35010, 603500), (35500, 595170), (36210, 583500), (38250, 552380), (38900, 543150), (39678, 532500), (42500, 497142), (42600, 495975), (43452, 486250), (44375, 476136), (45000, 469523), (46680, 452625), (48280, 437625), (48625, 434520), (51000, 414285), (52904, 399375), (53250, 396780), (54315, 389000), (55238, 382500), (58350, 362100), (59517, 355000), (60350, 350100), (63750, 331428), (63900, 330650), (66130, 319500), (70020, 301750), (71000, 297585), (72420, 291750), (76500, 276190), (77800, 271575), (79356, 266250), (79875, 264520), (82857, 255000), (85000, 248571), (86904, 243125), (87525, 241400), (88750, 238068), (90525, 233400), (95625, 220952), (97250, 217260), (99195, 213000), (106500, 198390), (108630, 194500), (110476, 191250), (116700, 181050), (119034, 177500), (120700, 175050), (127500, 165714), (127800, 165325), (132260, 159750), (133125, 158712), (138095, 153000), (140040, 150875), (144840, 145875)]