81058560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 300222720

約数和(自身を除く): 219164160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 101, 110, 114, 120, 128, 132, 152, 160, 165, 176, 190, 192, 202, 209, 220, 228, 240, 256, 264, 285, 303, 304, 320, 330, 352, 380, 384, 404, 418, 440, 456, 480, 505, 528, 570, 606, 608, 627, 640, 660, 704, 760, 768, 808, 836, 880, 912, 960, 1010, 1045, 1056, 1111, 1140, 1212, 1216, 1254, 1280, 1320, 1408, 1515, 1520, 1616, 1672, 1760, 1824, 1919, 1920, 2020, 2090, 2112, 2222, 2280, 2424, 2432, 2508, 2640, 2816, 3030, 3040, 3135, 3232, 3333, 3344, 3520, 3648, 3838, 3840, 4040, 4180, 4224, 4444, 4560, 4848, 4864, 5016, 5280, 5555, 5757, 6060, 6080, 6270, 6464, 6666, 6688, 7040, 7296, 7676, 8080, 8360, 8448, 8888, 9120, 9595, 9696, 10032, 10560, 11110, 11514, 12120, 12160, 12540, 12928, 13332, 13376, 14080, 14592, 15352, 16160, 16665, 16720, 17776, 18240, 19190, 19392, 20064, 21109, 21120, 22220, 23028, 24240, 24320, 25080, 25856, 26664, 26752, 28785, 30704, 32320, 33330, 33440, 35552, 36480, 38380, 38784, 40128, 42218, 42240, 44440, 46056, 48480, 50160, 53328, 53504, 57570, 61408, 63327, 64640, 66660, 66880, 71104, 72960, 76760, 77568, 80256, 84436, 88880, 92112, 96960, 100320, 105545, 106656, 115140, 122816, 126654, 129280, 133320, 133760, 142208, 153520, 160512, 168872, 177760, 184224, 193920, 200640, 211090, 213312, 230280, 245632, 253308, 266640, 267520, 284416, 307040, 316635, 337744, 355520, 368448, 387840, 401280, 422180, 426624, 460560, 491264, 506616, 533280, 614080, 633270, 675488, 711040, 736896, 802560, 844360, 853248, 921120, 1013232, 1066560, 1228160, 1266540, 1350976, 1422080, 1473792, 1688720, 1842240, 2026464, 2133120, 2456320, 2533080, 2701952, 3377440, 3684480, 4052928, 4266240, 5066160, 5403904, 6754880, 7368960, 8105856, 10132320, 13509760, 16211712, 20264640, 27019520, 40529280, 81058560]

約数ペア:

[(1, 81058560), (2, 40529280), (3, 27019520), (4, 20264640), (5, 16211712), (6, 13509760), (8, 10132320), (10, 8105856), (11, 7368960), (12, 6754880), (15, 5403904), (16, 5066160), (19, 4266240), (20, 4052928), (22, 3684480), (24, 3377440), (30, 2701952), (32, 2533080), (33, 2456320), (38, 2133120), (40, 2026464), (44, 1842240), (48, 1688720), (55, 1473792), (57, 1422080), (60, 1350976), (64, 1266540), (66, 1228160), (76, 1066560), (80, 1013232), (88, 921120), (95, 853248), (96, 844360), (101, 802560), (110, 736896), (114, 711040), (120, 675488), (128, 633270), (132, 614080), (152, 533280), (160, 506616), (165, 491264), (176, 460560), (190, 426624), (192, 422180), (202, 401280), (209, 387840), (220, 368448), (228, 355520), (240, 337744), (256, 316635), (264, 307040), (285, 284416), (303, 267520), (304, 266640), (320, 253308), (330, 245632), (352, 230280), (380, 213312), (384, 211090), (404, 200640), (418, 193920), (440, 184224), (456, 177760), (480, 168872), (505, 160512), (528, 153520), (570, 142208), (606, 133760), (608, 133320), (627, 129280), (640, 126654), (660, 122816), (704, 115140), (760, 106656), (768, 105545), (808, 100320), (836, 96960), (880, 92112), (912, 88880), (960, 84436), (1010, 80256), (1045, 77568), (1056, 76760), (1111, 72960), (1140, 71104), (1212, 66880), (1216, 66660), (1254, 64640), (1280, 63327), (1320, 61408), (1408, 57570), (1515, 53504), (1520, 53328), (1616, 50160), (1672, 48480), (1760, 46056), (1824, 44440), (1919, 42240), (1920, 42218), (2020, 40128), (2090, 38784), (2112, 38380), (2222, 36480), (2280, 35552), (2424, 33440), (2432, 33330), (2508, 32320), (2640, 30704), (2816, 28785), (3030, 26752), (3040, 26664), (3135, 25856), (3232, 25080), (3333, 24320), (3344, 24240), (3520, 23028), (3648, 22220), (3838, 21120), (3840, 21109), (4040, 20064), (4180, 19392), (4224, 19190), (4444, 18240), (4560, 17776), (4848, 16720), (4864, 16665), (5016, 16160), (5280, 15352), (5555, 14592), (5757, 14080), (6060, 13376), (6080, 13332), (6270, 12928), (6464, 12540), (6666, 12160), (6688, 12120), (7040, 11514), (7296, 11110), (7676, 10560), (8080, 10032), (8360, 9696), (8448, 9595), (8888, 9120)]