405018720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 288

約数和(自身を含む): 1466809344

約数和(自身を除く): 1061790624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 43, 45, 48, 60, 62, 72, 80, 86, 90, 93, 96, 120, 124, 129, 144, 155, 160, 172, 180, 186, 211, 215, 240, 248, 258, 279, 288, 310, 344, 360, 372, 387, 422, 430, 465, 480, 496, 516, 558, 620, 633, 645, 688, 720, 744, 774, 844, 860, 930, 992, 1032, 1055, 1116, 1240, 1266, 1290, 1333, 1376, 1395, 1440, 1488, 1548, 1688, 1720, 1860, 1899, 1935, 2064, 2110, 2232, 2480, 2532, 2580, 2666, 2790, 2976, 3096, 3165, 3376, 3440, 3720, 3798, 3870, 3999, 4128, 4220, 4464, 4960, 5064, 5160, 5332, 5580, 6192, 6330, 6541, 6665, 6752, 6880, 7440, 7596, 7740, 7998, 8440, 8928, 9073, 9495, 10128, 10320, 10664, 11160, 11997, 12384, 12660, 13082, 13330, 14880, 15192, 15480, 15996, 16880, 18146, 18990, 19623, 19995, 20256, 20640, 21328, 22320, 23994, 25320, 26164, 26660, 27219, 30384, 30960, 31992, 32705, 33760, 36292, 37980, 39246, 39990, 42656, 44640, 45365, 47988, 50640, 52328, 53320, 54438, 58869, 59985, 60768, 61920, 63984, 65410, 72584, 75960, 78492, 79980, 81657, 90730, 95976, 98115, 101280, 104656, 106640, 108876, 117738, 119970, 127968, 130820, 136095, 145168, 151920, 156984, 159960, 163314, 181460, 191952, 196230, 209312, 213280, 217752, 235476, 239940, 261640, 272190, 281263, 290336, 294345, 303840, 313968, 319920, 326628, 362920, 383904, 392460, 408285, 435504, 470952, 479880, 523280, 544380, 562526, 588690, 627936, 639840, 653256, 725840, 784920, 816570, 843789, 871008, 941904, 959760, 1046560, 1088760, 1125052, 1177380, 1306512, 1406315, 1451680, 1569840, 1633140, 1687578, 1883808, 1919520, 2177520, 2250104, 2354760, 2531367, 2613024, 2812630, 3139680, 3266280, 3375156, 4218945, 4355040, 4500208, 4709520, 5062734, 5625260, 6532560, 6750312, 8437890, 9000416, 9419040, 10125468, 11250520, 12656835, 13065120, 13500624, 16875780, 20250936, 22501040, 25313670, 27001248, 33751560, 40501872, 45002080, 50627340, 67503120, 81003744, 101254680, 135006240, 202509360, 405018720]

約数ペア:

[(1, 405018720), (2, 202509360), (3, 135006240), (4, 101254680), (5, 81003744), (6, 67503120), (8, 50627340), (9, 45002080), (10, 40501872), (12, 33751560), (15, 27001248), (16, 25313670), (18, 22501040), (20, 20250936), (24, 16875780), (30, 13500624), (31, 13065120), (32, 12656835), (36, 11250520), (40, 10125468), (43, 9419040), (45, 9000416), (48, 8437890), (60, 6750312), (62, 6532560), (72, 5625260), (80, 5062734), (86, 4709520), (90, 4500208), (93, 4355040), (96, 4218945), (120, 3375156), (124, 3266280), (129, 3139680), (144, 2812630), (155, 2613024), (160, 2531367), (172, 2354760), (180, 2250104), (186, 2177520), (211, 1919520), (215, 1883808), (240, 1687578), (248, 1633140), (258, 1569840), (279, 1451680), (288, 1406315), (310, 1306512), (344, 1177380), (360, 1125052), (372, 1088760), (387, 1046560), (422, 959760), (430, 941904), (465, 871008), (480, 843789), (496, 816570), (516, 784920), (558, 725840), (620, 653256), (633, 639840), (645, 627936), (688, 588690), (720, 562526), (744, 544380), (774, 523280), (844, 479880), (860, 470952), (930, 435504), (992, 408285), (1032, 392460), (1055, 383904), (1116, 362920), (1240, 326628), (1266, 319920), (1290, 313968), (1333, 303840), (1376, 294345), (1395, 290336), (1440, 281263), (1488, 272190), (1548, 261640), (1688, 239940), (1720, 235476), (1860, 217752), (1899, 213280), (1935, 209312), (2064, 196230), (2110, 191952), (2232, 181460), (2480, 163314), (2532, 159960), (2580, 156984), (2666, 151920), (2790, 145168), (2976, 136095), (3096, 130820), (3165, 127968), (3376, 119970), (3440, 117738), (3720, 108876), (3798, 106640), (3870, 104656), (3999, 101280), (4128, 98115), (4220, 95976), (4464, 90730), (4960, 81657), (5064, 79980), (5160, 78492), (5332, 75960), (5580, 72584), (6192, 65410), (6330, 63984), (6541, 61920), (6665, 60768), (6752, 59985), (6880, 58869), (7440, 54438), (7596, 53320), (7740, 52328), (7998, 50640), (8440, 47988), (8928, 45365), (9073, 44640), (9495, 42656), (10128, 39990), (10320, 39246), (10664, 37980), (11160, 36292), (11997, 33760), (12384, 32705), (12660, 31992), (13082, 30960), (13330, 30384), (14880, 27219), (15192, 26660), (15480, 26164), (15996, 25320), (16880, 23994), (18146, 22320), (18990, 21328), (19623, 20640), (19995, 20256)]