258381760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 224

約数和(自身を含む): 798819840

約数和(自身を除く): 540438080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 304, 320, 364, 380, 416, 448, 455, 467, 494, 520, 532, 560, 608, 665, 728, 760, 832, 910, 934, 988, 1040, 1064, 1120, 1216, 1235, 1330, 1456, 1520, 1729, 1820, 1868, 1976, 2080, 2128, 2240, 2335, 2470, 2660, 2912, 3040, 3269, 3458, 3640, 3736, 3952, 4160, 4256, 4670, 4940, 5320, 5824, 6071, 6080, 6538, 6916, 7280, 7472, 7904, 8512, 8645, 8873, 9340, 9880, 10640, 12142, 13076, 13832, 14560, 14944, 15808, 16345, 17290, 17746, 18680, 19760, 21280, 24284, 26152, 27664, 29120, 29888, 30355, 32690, 34580, 35492, 37360, 39520, 42497, 42560, 44365, 48568, 52304, 55328, 60710, 62111, 65380, 69160, 70984, 74720, 79040, 84994, 88730, 97136, 104608, 110656, 115349, 121420, 124222, 130760, 138320, 141968, 149440, 169988, 177460, 194272, 209216, 212485, 230698, 242840, 248444, 261520, 276640, 283936, 310555, 339976, 354920, 388544, 424970, 461396, 485680, 496888, 523040, 553280, 567872, 576745, 621110, 679952, 709840, 807443, 849940, 922792, 971360, 993776, 1046080, 1153490, 1242220, 1359904, 1419680, 1614886, 1699880, 1845584, 1942720, 1987552, 2306980, 2484440, 2719808, 2839360, 3229772, 3399760, 3691168, 3975104, 4037215, 4613960, 4968880, 6459544, 6799520, 7382336, 8074430, 9227920, 9937760, 12919088, 13599040, 16148860, 18455840, 19875520, 25838176, 32297720, 36911680, 51676352, 64595440, 129190880, 258381760]

約数ペア:

[(1, 258381760), (2, 129190880), (4, 64595440), (5, 51676352), (7, 36911680), (8, 32297720), (10, 25838176), (13, 19875520), (14, 18455840), (16, 16148860), (19, 13599040), (20, 12919088), (26, 9937760), (28, 9227920), (32, 8074430), (35, 7382336), (38, 6799520), (40, 6459544), (52, 4968880), (56, 4613960), (64, 4037215), (65, 3975104), (70, 3691168), (76, 3399760), (80, 3229772), (91, 2839360), (95, 2719808), (104, 2484440), (112, 2306980), (130, 1987552), (133, 1942720), (140, 1845584), (152, 1699880), (160, 1614886), (182, 1419680), (190, 1359904), (208, 1242220), (224, 1153490), (247, 1046080), (260, 993776), (266, 971360), (280, 922792), (304, 849940), (320, 807443), (364, 709840), (380, 679952), (416, 621110), (448, 576745), (455, 567872), (467, 553280), (494, 523040), (520, 496888), (532, 485680), (560, 461396), (608, 424970), (665, 388544), (728, 354920), (760, 339976), (832, 310555), (910, 283936), (934, 276640), (988, 261520), (1040, 248444), (1064, 242840), (1120, 230698), (1216, 212485), (1235, 209216), (1330, 194272), (1456, 177460), (1520, 169988), (1729, 149440), (1820, 141968), (1868, 138320), (1976, 130760), (2080, 124222), (2128, 121420), (2240, 115349), (2335, 110656), (2470, 104608), (2660, 97136), (2912, 88730), (3040, 84994), (3269, 79040), (3458, 74720), (3640, 70984), (3736, 69160), (3952, 65380), (4160, 62111), (4256, 60710), (4670, 55328), (4940, 52304), (5320, 48568), (5824, 44365), (6071, 42560), (6080, 42497), (6538, 39520), (6916, 37360), (7280, 35492), (7472, 34580), (7904, 32690), (8512, 30355), (8645, 29888), (8873, 29120), (9340, 27664), (9880, 26152), (10640, 24284), (12142, 21280), (13076, 19760), (13832, 18680), (14560, 17746), (14944, 17290), (15808, 16345)]