257268480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 288

約数和(自身を含む): 996033024

約数和(自身を除く): 738764544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 256, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 563, 595, 640, 672, 680, 714, 768, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1126, 1190, 1280, 1344, 1360, 1428, 1632, 1680, 1689, 1785, 1792, 1904, 1920, 2040, 2176, 2240, 2252, 2380, 2688, 2720, 2815, 2856, 3264, 3360, 3378, 3570, 3808, 3840, 3941, 4080, 4352, 4480, 4504, 4760, 5376, 5440, 5630, 5712, 6528, 6720, 6756, 7140, 7616, 7882, 8160, 8445, 8960, 9008, 9520, 9571, 10880, 11260, 11424, 11823, 13056, 13440, 13512, 14280, 15232, 15764, 16320, 16890, 18016, 19040, 19142, 19705, 21760, 22520, 22848, 23646, 26880, 27024, 28560, 28713, 30464, 31528, 32640, 33780, 36032, 38080, 38284, 39410, 45040, 45696, 47292, 47855, 54048, 57120, 57426, 59115, 63056, 65280, 66997, 67560, 72064, 76160, 76568, 78820, 90080, 91392, 94584, 95710, 108096, 114240, 114852, 118230, 126112, 133994, 135120, 143565, 144128, 152320, 153136, 157640, 180160, 189168, 191420, 200991, 216192, 228480, 229704, 236460, 252224, 267988, 270240, 287130, 306272, 315280, 334985, 360320, 378336, 382840, 401982, 432384, 456960, 459408, 472920, 504448, 535976, 540480, 574260, 612544, 630560, 669970, 720640, 756672, 765680, 803964, 918816, 945840, 1004955, 1008896, 1071952, 1080960, 1148520, 1225088, 1261120, 1339940, 1513344, 1531360, 1607928, 1837632, 1891680, 2009910, 2143904, 2161920, 2297040, 2450176, 2522240, 2679880, 3026688, 3062720, 3215856, 3675264, 3783360, 4019820, 4287808, 4594080, 5044480, 5359760, 6125440, 6431712, 7350528, 7566720, 8039640, 8575616, 9188160, 10719520, 12250880, 12863424, 15133440, 16079280, 17151232, 18376320, 21439040, 25726848, 32158560, 36752640, 42878080, 51453696, 64317120, 85756160, 128634240, 257268480]

約数ペア:

[(1, 257268480), (2, 128634240), (3, 85756160), (4, 64317120), (5, 51453696), (6, 42878080), (7, 36752640), (8, 32158560), (10, 25726848), (12, 21439040), (14, 18376320), (15, 17151232), (16, 16079280), (17, 15133440), (20, 12863424), (21, 12250880), (24, 10719520), (28, 9188160), (30, 8575616), (32, 8039640), (34, 7566720), (35, 7350528), (40, 6431712), (42, 6125440), (48, 5359760), (51, 5044480), (56, 4594080), (60, 4287808), (64, 4019820), (68, 3783360), (70, 3675264), (80, 3215856), (84, 3062720), (85, 3026688), (96, 2679880), (102, 2522240), (105, 2450176), (112, 2297040), (119, 2161920), (120, 2143904), (128, 2009910), (136, 1891680), (140, 1837632), (160, 1607928), (168, 1531360), (170, 1513344), (192, 1339940), (204, 1261120), (210, 1225088), (224, 1148520), (238, 1080960), (240, 1071952), (255, 1008896), (256, 1004955), (272, 945840), (280, 918816), (320, 803964), (336, 765680), (340, 756672), (357, 720640), (384, 669970), (408, 630560), (420, 612544), (448, 574260), (476, 540480), (480, 535976), (510, 504448), (544, 472920), (560, 459408), (563, 456960), (595, 432384), (640, 401982), (672, 382840), (680, 378336), (714, 360320), (768, 334985), (816, 315280), (840, 306272), (896, 287130), (952, 270240), (960, 267988), (1020, 252224), (1088, 236460), (1120, 229704), (1126, 228480), (1190, 216192), (1280, 200991), (1344, 191420), (1360, 189168), (1428, 180160), (1632, 157640), (1680, 153136), (1689, 152320), (1785, 144128), (1792, 143565), (1904, 135120), (1920, 133994), (2040, 126112), (2176, 118230), (2240, 114852), (2252, 114240), (2380, 108096), (2688, 95710), (2720, 94584), (2815, 91392), (2856, 90080), (3264, 78820), (3360, 76568), (3378, 76160), (3570, 72064), (3808, 67560), (3840, 66997), (3941, 65280), (4080, 63056), (4352, 59115), (4480, 57426), (4504, 57120), (4760, 54048), (5376, 47855), (5440, 47292), (5630, 45696), (5712, 45040), (6528, 39410), (6720, 38284), (6756, 38080), (7140, 36032), (7616, 33780), (7882, 32640), (8160, 31528), (8445, 30464), (8960, 28713), (9008, 28560), (9520, 27024), (9571, 26880), (10880, 23646), (11260, 22848), (11424, 22520), (11823, 21760), (13056, 19705), (13440, 19142), (13512, 19040), (14280, 18016), (15232, 16890), (15764, 16320)]