819962080

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 2303078400

約数和(自身を除く): 1483116320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 196, 223, 224, 245, 268, 280, 335, 343, 392, 446, 469, 490, 536, 560, 670, 686, 784, 892, 938, 980, 1072, 1115, 1120, 1340, 1372, 1561, 1568, 1715, 1784, 1876, 1960, 2144, 2230, 2345, 2680, 2744, 3122, 3283, 3430, 3568, 3752, 3920, 4460, 4690, 5360, 5488, 6244, 6566, 6860, 7136, 7504, 7805, 7840, 8920, 9380, 10720, 10927, 10976, 12488, 13132, 13720, 14941, 15008, 15610, 16415, 17840, 18760, 21854, 22981, 24976, 26264, 27440, 29882, 31220, 32830, 35680, 37520, 43708, 45962, 49952, 52528, 54635, 54880, 59764, 62440, 65660, 74705, 75040, 76489, 87416, 91924, 104587, 105056, 109270, 114905, 119528, 124880, 131320, 149410, 152978, 174832, 183848, 209174, 218540, 229810, 239056, 249760, 262640, 298820, 305956, 349664, 367696, 382445, 418348, 437080, 459620, 478112, 522935, 525280, 597640, 611912, 732109, 735392, 764890, 836696, 874160, 919240, 1045870, 1195280, 1223824, 1464218, 1529780, 1673392, 1748320, 1838480, 2091740, 2390560, 2447648, 2928436, 3059560, 3346784, 3660545, 3676960, 4183480, 5124763, 5856872, 6119120, 7321090, 8366960, 10249526, 11713744, 12238240, 14642180, 16733920, 20499052, 23427488, 25623815, 29284360, 40998104, 51247630, 58568720, 81996208, 102495260, 117137440, 163992416, 204990520, 409981040, 819962080]

約数ペア:

[(1, 819962080), (2, 409981040), (4, 204990520), (5, 163992416), (7, 117137440), (8, 102495260), (10, 81996208), (14, 58568720), (16, 51247630), (20, 40998104), (28, 29284360), (32, 25623815), (35, 23427488), (40, 20499052), (49, 16733920), (56, 14642180), (67, 12238240), (70, 11713744), (80, 10249526), (98, 8366960), (112, 7321090), (134, 6119120), (140, 5856872), (160, 5124763), (196, 4183480), (223, 3676960), (224, 3660545), (245, 3346784), (268, 3059560), (280, 2928436), (335, 2447648), (343, 2390560), (392, 2091740), (446, 1838480), (469, 1748320), (490, 1673392), (536, 1529780), (560, 1464218), (670, 1223824), (686, 1195280), (784, 1045870), (892, 919240), (938, 874160), (980, 836696), (1072, 764890), (1115, 735392), (1120, 732109), (1340, 611912), (1372, 597640), (1561, 525280), (1568, 522935), (1715, 478112), (1784, 459620), (1876, 437080), (1960, 418348), (2144, 382445), (2230, 367696), (2345, 349664), (2680, 305956), (2744, 298820), (3122, 262640), (3283, 249760), (3430, 239056), (3568, 229810), (3752, 218540), (3920, 209174), (4460, 183848), (4690, 174832), (5360, 152978), (5488, 149410), (6244, 131320), (6566, 124880), (6860, 119528), (7136, 114905), (7504, 109270), (7805, 105056), (7840, 104587), (8920, 91924), (9380, 87416), (10720, 76489), (10927, 75040), (10976, 74705), (12488, 65660), (13132, 62440), (13720, 59764), (14941, 54880), (15008, 54635), (15610, 52528), (16415, 49952), (17840, 45962), (18760, 43708), (21854, 37520), (22981, 35680), (24976, 32830), (26264, 31220), (27440, 29882)]