78574440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 256

約数和(自身を含む): 290304000

約数和(自身を除く): 211729560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 83, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 166, 168, 184, 196, 210, 230, 245, 249, 276, 280, 294, 322, 332, 343, 345, 392, 415, 420, 460, 483, 490, 498, 552, 581, 588, 644, 664, 686, 690, 735, 805, 830, 840, 920, 966, 980, 996, 1029, 1127, 1162, 1176, 1245, 1288, 1372, 1380, 1470, 1610, 1660, 1715, 1743, 1909, 1932, 1960, 1992, 2058, 2254, 2324, 2415, 2490, 2744, 2760, 2905, 2940, 3220, 3320, 3381, 3430, 3486, 3818, 3864, 4067, 4116, 4508, 4648, 4830, 4980, 5145, 5635, 5727, 5810, 5880, 6440, 6762, 6860, 6972, 7636, 7889, 8134, 8232, 8715, 9016, 9545, 9660, 9960, 10290, 11270, 11454, 11620, 12201, 13363, 13524, 13720, 13944, 15272, 15778, 16268, 16905, 17430, 19090, 19320, 20335, 20580, 22540, 22908, 23240, 23667, 24402, 26726, 27048, 28469, 28635, 31556, 32536, 33810, 34860, 38180, 39445, 40089, 40670, 41160, 45080, 45816, 47334, 48804, 53452, 56938, 57270, 61005, 63112, 66815, 67620, 69720, 76360, 78890, 80178, 81340, 85407, 93541, 94668, 97608, 106904, 113876, 114540, 118335, 122010, 133630, 135240, 142345, 157780, 160356, 162680, 170814, 187082, 189336, 200445, 227752, 229080, 236670, 244020, 267260, 280623, 284690, 315560, 320712, 341628, 374164, 400890, 427035, 467705, 473340, 488040, 534520, 561246, 569380, 654787, 683256, 748328, 801780, 854070, 935410, 946680, 1122492, 1138760, 1309574, 1403115, 1603560, 1708140, 1870820, 1964361, 2244984, 2619148, 2806230, 3273935, 3416280, 3741640, 3928722, 5238296, 5612460, 6547870, 7857444, 9821805, 11224920, 13095740, 15714888, 19643610, 26191480, 39287220, 78574440]

約数ペア:

[(1, 78574440), (2, 39287220), (3, 26191480), (4, 19643610), (5, 15714888), (6, 13095740), (7, 11224920), (8, 9821805), (10, 7857444), (12, 6547870), (14, 5612460), (15, 5238296), (20, 3928722), (21, 3741640), (23, 3416280), (24, 3273935), (28, 2806230), (30, 2619148), (35, 2244984), (40, 1964361), (42, 1870820), (46, 1708140), (49, 1603560), (56, 1403115), (60, 1309574), (69, 1138760), (70, 1122492), (83, 946680), (84, 935410), (92, 854070), (98, 801780), (105, 748328), (115, 683256), (120, 654787), (138, 569380), (140, 561246), (147, 534520), (161, 488040), (166, 473340), (168, 467705), (184, 427035), (196, 400890), (210, 374164), (230, 341628), (245, 320712), (249, 315560), (276, 284690), (280, 280623), (294, 267260), (322, 244020), (332, 236670), (343, 229080), (345, 227752), (392, 200445), (415, 189336), (420, 187082), (460, 170814), (483, 162680), (490, 160356), (498, 157780), (552, 142345), (581, 135240), (588, 133630), (644, 122010), (664, 118335), (686, 114540), (690, 113876), (735, 106904), (805, 97608), (830, 94668), (840, 93541), (920, 85407), (966, 81340), (980, 80178), (996, 78890), (1029, 76360), (1127, 69720), (1162, 67620), (1176, 66815), (1245, 63112), (1288, 61005), (1372, 57270), (1380, 56938), (1470, 53452), (1610, 48804), (1660, 47334), (1715, 45816), (1743, 45080), (1909, 41160), (1932, 40670), (1960, 40089), (1992, 39445), (2058, 38180), (2254, 34860), (2324, 33810), (2415, 32536), (2490, 31556), (2744, 28635), (2760, 28469), (2905, 27048), (2940, 26726), (3220, 24402), (3320, 23667), (3381, 23240), (3430, 22908), (3486, 22540), (3818, 20580), (3864, 20335), (4067, 19320), (4116, 19090), (4508, 17430), (4648, 16905), (4830, 16268), (4980, 15778), (5145, 15272), (5635, 13944), (5727, 13720), (5810, 13524), (5880, 13363), (6440, 12201), (6762, 11620), (6860, 11454), (6972, 11270), (7636, 10290), (7889, 9960), (8134, 9660), (8232, 9545), (8715, 9016)]