1280493360

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 4495545600

約数和(自身を除く): 3215052240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 199, 216, 240, 243, 270, 324, 331, 360, 398, 405, 432, 486, 540, 597, 648, 662, 720, 796, 810, 972, 993, 995, 1080, 1194, 1215, 1296, 1324, 1592, 1620, 1655, 1791, 1944, 1986, 1990, 2160, 2388, 2430, 2648, 2979, 2985, 3184, 3240, 3310, 3582, 3888, 3972, 3980, 4776, 4860, 4965, 5296, 5373, 5958, 5970, 6480, 6620, 7164, 7944, 7960, 8937, 8955, 9552, 9720, 9930, 10746, 11916, 11940, 13240, 14328, 14895, 15888, 15920, 16119, 17874, 17910, 19440, 19860, 21492, 23832, 23880, 26480, 26811, 26865, 28656, 29790, 32238, 35748, 35820, 39720, 42984, 44685, 47664, 47760, 48357, 53622, 53730, 59580, 64476, 65869, 71496, 71640, 79440, 80433, 80595, 85968, 89370, 96714, 107244, 107460, 119160, 128952, 131738, 134055, 142992, 143280, 160866, 161190, 178740, 193428, 197607, 214488, 214920, 238320, 241785, 257904, 263476, 268110, 321732, 322380, 329345, 357480, 386856, 395214, 402165, 428976, 429840, 483570, 526952, 536220, 592821, 643464, 644760, 658690, 714960, 773712, 790428, 804330, 967140, 988035, 1053904, 1072440, 1185642, 1286928, 1289520, 1317380, 1580856, 1608660, 1778463, 1934280, 1976070, 2144880, 2371284, 2634760, 2964105, 3161712, 3217320, 3556926, 3868560, 3952140, 4742568, 5269520, 5335389, 5928210, 6434640, 7113852, 7904280, 8892315, 9485136, 10670778, 11856420, 14227704, 15808560, 16006167, 17784630, 21341556, 23712840, 26676945, 28455408, 32012334, 35569260, 42683112, 47425680, 53353890, 64024668, 71138520, 80030835, 85366224, 106707780, 128049336, 142277040, 160061670, 213415560, 256098672, 320123340, 426831120, 640246680, 1280493360]

約数ペア:

[(1, 1280493360), (2, 640246680), (3, 426831120), (4, 320123340), (5, 256098672), (6, 213415560), (8, 160061670), (9, 142277040), (10, 128049336), (12, 106707780), (15, 85366224), (16, 80030835), (18, 71138520), (20, 64024668), (24, 53353890), (27, 47425680), (30, 42683112), (36, 35569260), (40, 32012334), (45, 28455408), (48, 26676945), (54, 23712840), (60, 21341556), (72, 17784630), (80, 16006167), (81, 15808560), (90, 14227704), (108, 11856420), (120, 10670778), (135, 9485136), (144, 8892315), (162, 7904280), (180, 7113852), (199, 6434640), (216, 5928210), (240, 5335389), (243, 5269520), (270, 4742568), (324, 3952140), (331, 3868560), (360, 3556926), (398, 3217320), (405, 3161712), (432, 2964105), (486, 2634760), (540, 2371284), (597, 2144880), (648, 1976070), (662, 1934280), (720, 1778463), (796, 1608660), (810, 1580856), (972, 1317380), (993, 1289520), (995, 1286928), (1080, 1185642), (1194, 1072440), (1215, 1053904), (1296, 988035), (1324, 967140), (1592, 804330), (1620, 790428), (1655, 773712), (1791, 714960), (1944, 658690), (1986, 644760), (1990, 643464), (2160, 592821), (2388, 536220), (2430, 526952), (2648, 483570), (2979, 429840), (2985, 428976), (3184, 402165), (3240, 395214), (3310, 386856), (3582, 357480), (3888, 329345), (3972, 322380), (3980, 321732), (4776, 268110), (4860, 263476), (4965, 257904), (5296, 241785), (5373, 238320), (5958, 214920), (5970, 214488), (6480, 197607), (6620, 193428), (7164, 178740), (7944, 161190), (7960, 160866), (8937, 143280), (8955, 142992), (9552, 134055), (9720, 131738), (9930, 128952), (10746, 119160), (11916, 107460), (11940, 107244), (13240, 96714), (14328, 89370), (14895, 85968), (15888, 80595), (15920, 80433), (16119, 79440), (17874, 71640), (17910, 71496), (19440, 65869), (19860, 64476), (21492, 59580), (23832, 53730), (23880, 53622), (26480, 48357), (26811, 47760), (26865, 47664), (28656, 44685), (29790, 42984), (32238, 39720), (35748, 35820)]