256428480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3469}}^1$

素因数の和:3507

約数の個数: 224

約数和(自身を含む): 1015349760

約数和(自身を除く): 758921280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3469, 3520, 3696, 4620, 4928, 5280, 6160, 6720, 6938, 7392, 9240, 10407, 10560, 12320, 13876, 14784, 17345, 18480, 20814, 24283, 24640, 27752, 34690, 36960, 38159, 41628, 48566, 52035, 55504, 69380, 72849, 73920, 76318, 83256, 97132, 104070, 111008, 114477, 121415, 138760, 145698, 152636, 166512, 190795, 194264, 208140, 222016, 228954, 242830, 267113, 277520, 291396, 305272, 333024, 364245, 381590, 388528, 416280, 457908, 485660, 534226, 555040, 572385, 582792, 610544, 666048, 728490, 763180, 777056, 801339, 832560, 915816, 971320, 1068452, 1110080, 1144770, 1165584, 1221088, 1335565, 1456980, 1526360, 1554112, 1602678, 1665120, 1831632, 1942640, 2136904, 2289540, 2331168, 2442176, 2671130, 2913960, 3052720, 3205356, 3330240, 3663264, 3885280, 4006695, 4273808, 4579080, 4662336, 5342260, 5827920, 6105440, 6410712, 7326528, 7770560, 8013390, 8547616, 9158160, 10684520, 11655840, 12210880, 12821424, 16026780, 17095232, 18316320, 21369040, 23311680, 25642848, 32053560, 36632640, 42738080, 51285696, 64107120, 85476160, 128214240, 256428480]

約数ペア:

[(1, 256428480), (2, 128214240), (3, 85476160), (4, 64107120), (5, 51285696), (6, 42738080), (7, 36632640), (8, 32053560), (10, 25642848), (11, 23311680), (12, 21369040), (14, 18316320), (15, 17095232), (16, 16026780), (20, 12821424), (21, 12210880), (22, 11655840), (24, 10684520), (28, 9158160), (30, 8547616), (32, 8013390), (33, 7770560), (35, 7326528), (40, 6410712), (42, 6105440), (44, 5827920), (48, 5342260), (55, 4662336), (56, 4579080), (60, 4273808), (64, 4006695), (66, 3885280), (70, 3663264), (77, 3330240), (80, 3205356), (84, 3052720), (88, 2913960), (96, 2671130), (105, 2442176), (110, 2331168), (112, 2289540), (120, 2136904), (132, 1942640), (140, 1831632), (154, 1665120), (160, 1602678), (165, 1554112), (168, 1526360), (176, 1456980), (192, 1335565), (210, 1221088), (220, 1165584), (224, 1144770), (231, 1110080), (240, 1068452), (264, 971320), (280, 915816), (308, 832560), (320, 801339), (330, 777056), (336, 763180), (352, 728490), (385, 666048), (420, 610544), (440, 582792), (448, 572385), (462, 555040), (480, 534226), (528, 485660), (560, 457908), (616, 416280), (660, 388528), (672, 381590), (704, 364245), (770, 333024), (840, 305272), (880, 291396), (924, 277520), (960, 267113), (1056, 242830), (1120, 228954), (1155, 222016), (1232, 208140), (1320, 194264), (1344, 190795), (1540, 166512), (1680, 152636), (1760, 145698), (1848, 138760), (2112, 121415), (2240, 114477), (2310, 111008), (2464, 104070), (2640, 97132), (3080, 83256), (3360, 76318), (3469, 73920), (3520, 72849), (3696, 69380), (4620, 55504), (4928, 52035), (5280, 48566), (6160, 41628), (6720, 38159), (6938, 36960), (7392, 34690), (9240, 27752), (10407, 24640), (10560, 24283), (12320, 20814), (13876, 18480), (14784, 17345)]