220879120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1613

約数の個数: 160

約数和(自身を含む): 668528640

約数和(自身を除く): 447649520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 560, 616, 644, 770, 805, 880, 920, 1012, 1232, 1265, 1288, 1540, 1559, 1610, 1771, 1840, 2024, 2530, 2576, 3080, 3118, 3220, 3542, 4048, 5060, 6160, 6236, 6440, 7084, 7795, 8855, 10120, 10913, 12472, 12880, 14168, 15590, 17149, 17710, 20240, 21826, 24944, 28336, 31180, 34298, 35420, 35857, 43652, 54565, 62360, 68596, 70840, 71714, 85745, 87304, 109130, 120043, 124720, 137192, 141680, 143428, 171490, 174608, 179285, 218260, 240086, 250999, 274384, 286856, 342980, 358570, 394427, 436520, 480172, 501998, 573712, 600215, 685960, 717140, 788854, 873040, 960344, 1003996, 1200430, 1254995, 1371920, 1434280, 1577708, 1920688, 1972135, 2007992, 2400860, 2509990, 2760989, 2868560, 3155416, 3944270, 4015984, 4801720, 5019980, 5521978, 6310832, 7888540, 9603440, 10039960, 11043956, 13804945, 15777080, 20079920, 22087912, 27609890, 31554160, 44175824, 55219780, 110439560, 220879120]

約数ペア:

[(1, 220879120), (2, 110439560), (4, 55219780), (5, 44175824), (7, 31554160), (8, 27609890), (10, 22087912), (11, 20079920), (14, 15777080), (16, 13804945), (20, 11043956), (22, 10039960), (23, 9603440), (28, 7888540), (35, 6310832), (40, 5521978), (44, 5019980), (46, 4801720), (55, 4015984), (56, 3944270), (70, 3155416), (77, 2868560), (80, 2760989), (88, 2509990), (92, 2400860), (110, 2007992), (112, 1972135), (115, 1920688), (140, 1577708), (154, 1434280), (161, 1371920), (176, 1254995), (184, 1200430), (220, 1003996), (230, 960344), (253, 873040), (280, 788854), (308, 717140), (322, 685960), (368, 600215), (385, 573712), (440, 501998), (460, 480172), (506, 436520), (560, 394427), (616, 358570), (644, 342980), (770, 286856), (805, 274384), (880, 250999), (920, 240086), (1012, 218260), (1232, 179285), (1265, 174608), (1288, 171490), (1540, 143428), (1559, 141680), (1610, 137192), (1771, 124720), (1840, 120043), (2024, 109130), (2530, 87304), (2576, 85745), (3080, 71714), (3118, 70840), (3220, 68596), (3542, 62360), (4048, 54565), (5060, 43652), (6160, 35857), (6236, 35420), (6440, 34298), (7084, 31180), (7795, 28336), (8855, 24944), (10120, 21826), (10913, 20240), (12472, 17710), (12880, 17149), (14168, 15590)]