258462720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 264

約数和(自身を含む): 919676160

約数和(自身を除く): 661213440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 79, 80, 90, 96, 120, 128, 142, 144, 158, 160, 180, 192, 213, 237, 240, 256, 284, 288, 316, 320, 355, 360, 384, 395, 426, 474, 480, 512, 568, 576, 632, 639, 640, 710, 711, 720, 768, 790, 852, 948, 960, 1024, 1065, 1136, 1152, 1185, 1264, 1278, 1280, 1420, 1422, 1440, 1536, 1580, 1704, 1896, 1920, 2130, 2272, 2304, 2370, 2528, 2556, 2560, 2840, 2844, 2880, 3072, 3160, 3195, 3408, 3555, 3792, 3840, 4260, 4544, 4608, 4740, 5056, 5112, 5120, 5609, 5680, 5688, 5760, 6320, 6390, 6816, 7110, 7584, 7680, 8520, 9088, 9216, 9480, 10112, 10224, 11218, 11360, 11376, 11520, 12640, 12780, 13632, 14220, 15168, 15360, 16827, 17040, 18176, 18960, 20224, 20448, 22436, 22720, 22752, 23040, 25280, 25560, 27264, 28045, 28440, 30336, 33654, 34080, 36352, 37920, 40448, 40896, 44872, 45440, 45504, 46080, 50481, 50560, 51120, 54528, 56090, 56880, 60672, 67308, 68160, 72704, 75840, 80896, 81792, 84135, 89744, 90880, 91008, 100962, 101120, 102240, 109056, 112180, 113760, 121344, 134616, 136320, 151680, 163584, 168270, 179488, 181760, 182016, 201924, 202240, 204480, 218112, 224360, 227520, 242688, 252405, 269232, 272640, 303360, 327168, 336540, 358976, 363520, 364032, 403848, 404480, 408960, 448720, 455040, 504810, 538464, 545280, 606720, 654336, 673080, 717952, 728064, 807696, 817920, 897440, 910080, 1009620, 1076928, 1090560, 1213440, 1346160, 1435904, 1615392, 1635840, 1794880, 1820160, 2019240, 2153856, 2692320, 2871808, 3230784, 3271680, 3589760, 3640320, 4038480, 4307712, 5384640, 5743616, 6461568, 7179520, 8076960, 8615424, 10769280, 12923136, 14359040, 16153920, 17230848, 21538560, 25846272, 28718080, 32307840, 43077120, 51692544, 64615680, 86154240, 129231360, 258462720]

約数ペア:

[(1, 258462720), (2, 129231360), (3, 86154240), (4, 64615680), (5, 51692544), (6, 43077120), (8, 32307840), (9, 28718080), (10, 25846272), (12, 21538560), (15, 17230848), (16, 16153920), (18, 14359040), (20, 12923136), (24, 10769280), (30, 8615424), (32, 8076960), (36, 7179520), (40, 6461568), (45, 5743616), (48, 5384640), (60, 4307712), (64, 4038480), (71, 3640320), (72, 3589760), (79, 3271680), (80, 3230784), (90, 2871808), (96, 2692320), (120, 2153856), (128, 2019240), (142, 1820160), (144, 1794880), (158, 1635840), (160, 1615392), (180, 1435904), (192, 1346160), (213, 1213440), (237, 1090560), (240, 1076928), (256, 1009620), (284, 910080), (288, 897440), (316, 817920), (320, 807696), (355, 728064), (360, 717952), (384, 673080), (395, 654336), (426, 606720), (474, 545280), (480, 538464), (512, 504810), (568, 455040), (576, 448720), (632, 408960), (639, 404480), (640, 403848), (710, 364032), (711, 363520), (720, 358976), (768, 336540), (790, 327168), (852, 303360), (948, 272640), (960, 269232), (1024, 252405), (1065, 242688), (1136, 227520), (1152, 224360), (1185, 218112), (1264, 204480), (1278, 202240), (1280, 201924), (1420, 182016), (1422, 181760), (1440, 179488), (1536, 168270), (1580, 163584), (1704, 151680), (1896, 136320), (1920, 134616), (2130, 121344), (2272, 113760), (2304, 112180), (2370, 109056), (2528, 102240), (2556, 101120), (2560, 100962), (2840, 91008), (2844, 90880), (2880, 89744), (3072, 84135), (3160, 81792), (3195, 80896), (3408, 75840), (3555, 72704), (3792, 68160), (3840, 67308), (4260, 60672), (4544, 56880), (4608, 56090), (4740, 54528), (5056, 51120), (5112, 50560), (5120, 50481), (5609, 46080), (5680, 45504), (5688, 45440), (5760, 44872), (6320, 40896), (6390, 40448), (6816, 37920), (7110, 36352), (7584, 34080), (7680, 33654), (8520, 30336), (9088, 28440), (9216, 28045), (9480, 27264), (10112, 25560), (10224, 25280), (11218, 23040), (11360, 22752), (11376, 22720), (11520, 22436), (12640, 20448), (12780, 20224), (13632, 18960), (14220, 18176), (15168, 17040), (15360, 16827)]