490563840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 1747178496

約数和(自身を除く): 1256614656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 317, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 634, 640, 744, 768, 780, 806, 832, 930, 951, 960, 992, 1040, 1209, 1240, 1248, 1268, 1280, 1488, 1560, 1585, 1612, 1664, 1860, 1902, 1920, 1984, 2015, 2080, 2418, 2480, 2496, 2536, 2976, 3120, 3170, 3224, 3328, 3720, 3804, 3840, 3968, 4030, 4121, 4160, 4755, 4836, 4960, 4992, 5072, 5952, 6045, 6240, 6340, 6448, 7440, 7608, 7936, 8060, 8242, 8320, 9510, 9672, 9827, 9920, 9984, 10144, 11904, 12090, 12363, 12480, 12680, 12896, 14880, 15216, 16120, 16484, 16640, 19020, 19344, 19654, 19840, 20288, 20605, 23808, 24180, 24726, 24960, 25360, 25792, 29481, 29760, 30432, 32240, 32968, 38040, 38688, 39308, 39680, 40576, 41210, 48360, 49135, 49452, 49920, 50720, 51584, 58962, 59520, 60864, 61815, 64480, 65936, 76080, 77376, 78616, 81152, 82420, 96720, 98270, 98904, 101440, 103168, 117924, 119040, 121728, 123630, 127751, 128960, 131872, 147405, 152160, 154752, 157232, 164840, 193440, 196540, 197808, 202880, 235848, 243456, 247260, 255502, 257920, 263744, 294810, 304320, 309504, 314464, 329680, 383253, 386880, 393080, 395616, 405760, 471696, 494520, 511004, 515840, 527488, 589620, 608640, 628928, 638755, 659360, 766506, 773760, 786160, 791232, 943392, 989040, 1022008, 1054976, 1179240, 1217280, 1257856, 1277510, 1318720, 1533012, 1547520, 1572320, 1582464, 1886784, 1916265, 1978080, 2044016, 2358480, 2515712, 2555020, 2637440, 3066024, 3144640, 3164928, 3773568, 3832530, 3956160, 4088032, 4716960, 5110040, 5274880, 6132048, 6289280, 7547136, 7665060, 7912320, 8176064, 9433920, 10220080, 12264096, 12578560, 15330120, 15824640, 16352128, 18867840, 20440160, 24528192, 30660240, 32704256, 37735680, 40880320, 49056384, 61320480, 81760640, 98112768, 122640960, 163521280, 245281920, 490563840]

約数ペア:

[(1, 490563840), (2, 245281920), (3, 163521280), (4, 122640960), (5, 98112768), (6, 81760640), (8, 61320480), (10, 49056384), (12, 40880320), (13, 37735680), (15, 32704256), (16, 30660240), (20, 24528192), (24, 20440160), (26, 18867840), (30, 16352128), (31, 15824640), (32, 15330120), (39, 12578560), (40, 12264096), (48, 10220080), (52, 9433920), (60, 8176064), (62, 7912320), (64, 7665060), (65, 7547136), (78, 6289280), (80, 6132048), (93, 5274880), (96, 5110040), (104, 4716960), (120, 4088032), (124, 3956160), (128, 3832530), (130, 3773568), (155, 3164928), (156, 3144640), (160, 3066024), (186, 2637440), (192, 2555020), (195, 2515712), (208, 2358480), (240, 2044016), (248, 1978080), (256, 1916265), (260, 1886784), (310, 1582464), (312, 1572320), (317, 1547520), (320, 1533012), (372, 1318720), (384, 1277510), (390, 1257856), (403, 1217280), (416, 1179240), (465, 1054976), (480, 1022008), (496, 989040), (520, 943392), (620, 791232), (624, 786160), (634, 773760), (640, 766506), (744, 659360), (768, 638755), (780, 628928), (806, 608640), (832, 589620), (930, 527488), (951, 515840), (960, 511004), (992, 494520), (1040, 471696), (1209, 405760), (1240, 395616), (1248, 393080), (1268, 386880), (1280, 383253), (1488, 329680), (1560, 314464), (1585, 309504), (1612, 304320), (1664, 294810), (1860, 263744), (1902, 257920), (1920, 255502), (1984, 247260), (2015, 243456), (2080, 235848), (2418, 202880), (2480, 197808), (2496, 196540), (2536, 193440), (2976, 164840), (3120, 157232), (3170, 154752), (3224, 152160), (3328, 147405), (3720, 131872), (3804, 128960), (3840, 127751), (3968, 123630), (4030, 121728), (4121, 119040), (4160, 117924), (4755, 103168), (4836, 101440), (4960, 98904), (4992, 98270), (5072, 96720), (5952, 82420), (6045, 81152), (6240, 78616), (6340, 77376), (6448, 76080), (7440, 65936), (7608, 64480), (7936, 61815), (8060, 60864), (8242, 59520), (8320, 58962), (9510, 51584), (9672, 50720), (9827, 49920), (9920, 49452), (9984, 49135), (10144, 48360), (11904, 41210), (12090, 40576), (12363, 39680), (12480, 39308), (12680, 38688), (12896, 38040), (14880, 32968), (15216, 32240), (16120, 30432), (16484, 29760), (16640, 29481), (19020, 25792), (19344, 25360), (19654, 24960), (19840, 24726), (20288, 24180), (20605, 23808)]