318170880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 216

約数和(自身を含む): 1119212640

約数和(自身を除く): 801041760

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, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 320, 355, 360, 384, 389, 426, 480, 568, 576, 639, 640, 710, 720, 768, 778, 852, 960, 1065, 1136, 1152, 1167, 1278, 1280, 1420, 1440, 1556, 1704, 1920, 1945, 2130, 2272, 2304, 2334, 2556, 2840, 2880, 3112, 3195, 3408, 3501, 3840, 3890, 4260, 4544, 4668, 5112, 5680, 5760, 5835, 6224, 6390, 6816, 7002, 7780, 8520, 9088, 9336, 10224, 11360, 11520, 11670, 12448, 12780, 13632, 14004, 15560, 17040, 17505, 18176, 18672, 20448, 22720, 23340, 24896, 25560, 27264, 27619, 28008, 31120, 34080, 35010, 37344, 40896, 45440, 46680, 49792, 51120, 54528, 55238, 56016, 62240, 68160, 70020, 74688, 81792, 82857, 90880, 93360, 99584, 102240, 110476, 112032, 124480, 136320, 138095, 140040, 149376, 163584, 165714, 186720, 204480, 220952, 224064, 248571, 248960, 272640, 276190, 280080, 298752, 331428, 373440, 408960, 414285, 441904, 448128, 497142, 497920, 552380, 560160, 662856, 746880, 817920, 828570, 883808, 896256, 994284, 1104760, 1120320, 1242855, 1325712, 1493760, 1657140, 1767616, 1988568, 2209520, 2240640, 2485710, 2651424, 3314280, 3535232, 3977136, 4419040, 4481280, 4971420, 5302848, 6628560, 7070464, 7954272, 8838080, 9942840, 10605696, 13257120, 15908544, 17676160, 19885680, 21211392, 26514240, 31817088, 35352320, 39771360, 53028480, 63634176, 79542720, 106056960, 159085440, 318170880]

約数ペア:

[(1, 318170880), (2, 159085440), (3, 106056960), (4, 79542720), (5, 63634176), (6, 53028480), (8, 39771360), (9, 35352320), (10, 31817088), (12, 26514240), (15, 21211392), (16, 19885680), (18, 17676160), (20, 15908544), (24, 13257120), (30, 10605696), (32, 9942840), (36, 8838080), (40, 7954272), (45, 7070464), (48, 6628560), (60, 5302848), (64, 4971420), (71, 4481280), (72, 4419040), (80, 3977136), (90, 3535232), (96, 3314280), (120, 2651424), (128, 2485710), (142, 2240640), (144, 2209520), (160, 1988568), (180, 1767616), (192, 1657140), (213, 1493760), (240, 1325712), (256, 1242855), (284, 1120320), (288, 1104760), (320, 994284), (355, 896256), (360, 883808), (384, 828570), (389, 817920), (426, 746880), (480, 662856), (568, 560160), (576, 552380), (639, 497920), (640, 497142), (710, 448128), (720, 441904), (768, 414285), (778, 408960), (852, 373440), (960, 331428), (1065, 298752), (1136, 280080), (1152, 276190), (1167, 272640), (1278, 248960), (1280, 248571), (1420, 224064), (1440, 220952), (1556, 204480), (1704, 186720), (1920, 165714), (1945, 163584), (2130, 149376), (2272, 140040), (2304, 138095), (2334, 136320), (2556, 124480), (2840, 112032), (2880, 110476), (3112, 102240), (3195, 99584), (3408, 93360), (3501, 90880), (3840, 82857), (3890, 81792), (4260, 74688), (4544, 70020), (4668, 68160), (5112, 62240), (5680, 56016), (5760, 55238), (5835, 54528), (6224, 51120), (6390, 49792), (6816, 46680), (7002, 45440), (7780, 40896), (8520, 37344), (9088, 35010), (9336, 34080), (10224, 31120), (11360, 28008), (11520, 27619), (11670, 27264), (12448, 25560), (12780, 24896), (13632, 23340), (14004, 22720), (15560, 20448), (17040, 18672), (17505, 18176)]