205678080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 727721280

約数和(自身を除く): 522043200

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, 72, 79, 80, 90, 96, 113, 120, 128, 144, 158, 160, 180, 192, 226, 237, 240, 256, 288, 316, 320, 339, 360, 384, 395, 452, 474, 480, 512, 565, 576, 632, 640, 678, 711, 720, 768, 790, 904, 948, 960, 1017, 1130, 1152, 1185, 1264, 1280, 1356, 1422, 1440, 1536, 1580, 1695, 1808, 1896, 1920, 2034, 2260, 2304, 2370, 2528, 2560, 2712, 2844, 2880, 3160, 3390, 3555, 3616, 3792, 3840, 4068, 4520, 4608, 4740, 5056, 5085, 5424, 5688, 5760, 6320, 6780, 7110, 7232, 7584, 7680, 8136, 8927, 9040, 9480, 10112, 10170, 10848, 11376, 11520, 12640, 13560, 14220, 14464, 15168, 16272, 17854, 18080, 18960, 20224, 20340, 21696, 22752, 23040, 25280, 26781, 27120, 28440, 28928, 30336, 32544, 35708, 36160, 37920, 40448, 40680, 43392, 44635, 45504, 50560, 53562, 54240, 56880, 57856, 60672, 65088, 71416, 72320, 75840, 80343, 81360, 86784, 89270, 91008, 101120, 107124, 108480, 113760, 121344, 130176, 133905, 142832, 144640, 151680, 160686, 162720, 173568, 178540, 182016, 202240, 214248, 216960, 227520, 260352, 267810, 285664, 289280, 303360, 321372, 325440, 357080, 364032, 401715, 428496, 433920, 455040, 520704, 535620, 571328, 606720, 642744, 650880, 714160, 803430, 856992, 867840, 910080, 1071240, 1142656, 1285488, 1301760, 1428320, 1606860, 1713984, 1820160, 2142480, 2285312, 2570976, 2603520, 2856640, 3213720, 3427968, 4284960, 4570624, 5141952, 5713280, 6427440, 6855936, 8569920, 10283904, 11426560, 12854880, 13711872, 17139840, 20567808, 22853120, 25709760, 34279680, 41135616, 51419520, 68559360, 102839040, 205678080]

約数ペア:

[(1, 205678080), (2, 102839040), (3, 68559360), (4, 51419520), (5, 41135616), (6, 34279680), (8, 25709760), (9, 22853120), (10, 20567808), (12, 17139840), (15, 13711872), (16, 12854880), (18, 11426560), (20, 10283904), (24, 8569920), (30, 6855936), (32, 6427440), (36, 5713280), (40, 5141952), (45, 4570624), (48, 4284960), (60, 3427968), (64, 3213720), (72, 2856640), (79, 2603520), (80, 2570976), (90, 2285312), (96, 2142480), (113, 1820160), (120, 1713984), (128, 1606860), (144, 1428320), (158, 1301760), (160, 1285488), (180, 1142656), (192, 1071240), (226, 910080), (237, 867840), (240, 856992), (256, 803430), (288, 714160), (316, 650880), (320, 642744), (339, 606720), (360, 571328), (384, 535620), (395, 520704), (452, 455040), (474, 433920), (480, 428496), (512, 401715), (565, 364032), (576, 357080), (632, 325440), (640, 321372), (678, 303360), (711, 289280), (720, 285664), (768, 267810), (790, 260352), (904, 227520), (948, 216960), (960, 214248), (1017, 202240), (1130, 182016), (1152, 178540), (1185, 173568), (1264, 162720), (1280, 160686), (1356, 151680), (1422, 144640), (1440, 142832), (1536, 133905), (1580, 130176), (1695, 121344), (1808, 113760), (1896, 108480), (1920, 107124), (2034, 101120), (2260, 91008), (2304, 89270), (2370, 86784), (2528, 81360), (2560, 80343), (2712, 75840), (2844, 72320), (2880, 71416), (3160, 65088), (3390, 60672), (3555, 57856), (3616, 56880), (3792, 54240), (3840, 53562), (4068, 50560), (4520, 45504), (4608, 44635), (4740, 43392), (5056, 40680), (5085, 40448), (5424, 37920), (5688, 36160), (5760, 35708), (6320, 32544), (6780, 30336), (7110, 28928), (7232, 28440), (7584, 27120), (7680, 26781), (8136, 25280), (8927, 23040), (9040, 22752), (9480, 21696), (10112, 20340), (10170, 20224), (10848, 18960), (11376, 18080), (11520, 17854), (12640, 16272), (13560, 15168), (14220, 14464)]