261803520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1$

素因数の和:1073

約数の個数: 240

約数和(自身を含む): 990083952

約数和(自身を除く): 728280432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1033, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2066, 2112, 2304, 2560, 2640, 2816, 2880, 3099, 3168, 3520, 3840, 3960, 4132, 4224, 4608, 5165, 5280, 5632, 5760, 6198, 6336, 7040, 7680, 7920, 8264, 8448, 9297, 10330, 10560, 11363, 11520, 12396, 12672, 14080, 15495, 15840, 16528, 16896, 18594, 20660, 21120, 22726, 23040, 24792, 25344, 28160, 30990, 31680, 33056, 34089, 37188, 41320, 42240, 45452, 46485, 49584, 50688, 56815, 61980, 63360, 66112, 68178, 74376, 82640, 84480, 90904, 92970, 99168, 102267, 113630, 123960, 126720, 132224, 136356, 148752, 165280, 170445, 181808, 185940, 198336, 204534, 227260, 247920, 253440, 264448, 272712, 297504, 330560, 340890, 363616, 371880, 396672, 409068, 454520, 495840, 511335, 528896, 545424, 595008, 661120, 681780, 727232, 743760, 793344, 818136, 909040, 991680, 1022670, 1090848, 1190016, 1322240, 1363560, 1454464, 1487520, 1586688, 1636272, 1818080, 1983360, 2045340, 2181696, 2380032, 2644480, 2727120, 2908928, 2975040, 3272544, 3636160, 3966720, 4090680, 4363392, 4760064, 5454240, 5817856, 5950080, 6545088, 7272320, 7933440, 8181360, 8726784, 10908480, 11900160, 13090176, 14544640, 16362720, 17453568, 21816960, 23800320, 26180352, 29089280, 32725440, 43633920, 52360704, 65450880, 87267840, 130901760, 261803520]

約数ペア:

[(1, 261803520), (2, 130901760), (3, 87267840), (4, 65450880), (5, 52360704), (6, 43633920), (8, 32725440), (9, 29089280), (10, 26180352), (11, 23800320), (12, 21816960), (15, 17453568), (16, 16362720), (18, 14544640), (20, 13090176), (22, 11900160), (24, 10908480), (30, 8726784), (32, 8181360), (33, 7933440), (36, 7272320), (40, 6545088), (44, 5950080), (45, 5817856), (48, 5454240), (55, 4760064), (60, 4363392), (64, 4090680), (66, 3966720), (72, 3636160), (80, 3272544), (88, 2975040), (90, 2908928), (96, 2727120), (99, 2644480), (110, 2380032), (120, 2181696), (128, 2045340), (132, 1983360), (144, 1818080), (160, 1636272), (165, 1586688), (176, 1487520), (180, 1454464), (192, 1363560), (198, 1322240), (220, 1190016), (240, 1090848), (256, 1022670), (264, 991680), (288, 909040), (320, 818136), (330, 793344), (352, 743760), (360, 727232), (384, 681780), (396, 661120), (440, 595008), (480, 545424), (495, 528896), (512, 511335), (528, 495840), (576, 454520), (640, 409068), (660, 396672), (704, 371880), (720, 363616), (768, 340890), (792, 330560), (880, 297504), (960, 272712), (990, 264448), (1033, 253440), (1056, 247920), (1152, 227260), (1280, 204534), (1320, 198336), (1408, 185940), (1440, 181808), (1536, 170445), (1584, 165280), (1760, 148752), (1920, 136356), (1980, 132224), (2066, 126720), (2112, 123960), (2304, 113630), (2560, 102267), (2640, 99168), (2816, 92970), (2880, 90904), (3099, 84480), (3168, 82640), (3520, 74376), (3840, 68178), (3960, 66112), (4132, 63360), (4224, 61980), (4608, 56815), (5165, 50688), (5280, 49584), (5632, 46485), (5760, 45452), (6198, 42240), (6336, 41320), (7040, 37188), (7680, 34089), (7920, 33056), (8264, 31680), (8448, 30990), (9297, 28160), (10330, 25344), (10560, 24792), (11363, 23040), (11520, 22726), (12396, 21120), (12672, 20660), (14080, 18594), (15495, 16896), (15840, 16528)]