381344640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 1292544000

約数和(自身を除く): 911199360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 64, 80, 86, 93, 96, 120, 124, 128, 129, 149, 155, 160, 172, 186, 192, 215, 240, 248, 258, 298, 310, 320, 344, 372, 384, 430, 447, 465, 480, 496, 516, 596, 620, 640, 645, 688, 744, 745, 860, 894, 930, 960, 992, 1032, 1192, 1240, 1290, 1333, 1376, 1488, 1490, 1720, 1788, 1860, 1920, 1984, 2064, 2235, 2384, 2480, 2580, 2666, 2752, 2976, 2980, 3440, 3576, 3720, 3968, 3999, 4128, 4470, 4619, 4768, 4960, 5160, 5332, 5504, 5952, 5960, 6407, 6665, 6880, 7152, 7440, 7998, 8256, 8940, 9238, 9536, 9920, 10320, 10664, 11904, 11920, 12814, 13330, 13760, 13857, 14304, 14880, 15996, 16512, 17880, 18476, 19072, 19221, 19840, 19995, 20640, 21328, 23095, 23840, 25628, 26660, 27520, 27714, 28608, 29760, 31992, 32035, 35760, 36952, 38442, 39990, 41280, 42656, 46190, 47680, 51256, 53320, 55428, 57216, 59520, 63984, 64070, 69285, 71520, 73904, 76884, 79980, 82560, 85312, 92380, 95360, 96105, 102512, 106640, 110856, 127968, 128140, 138570, 143040, 147808, 153768, 159960, 170624, 184760, 192210, 198617, 205024, 213280, 221712, 255936, 256280, 277140, 286080, 295616, 307536, 319920, 369520, 384420, 397234, 410048, 426560, 443424, 511872, 512560, 554280, 591232, 595851, 615072, 639840, 739040, 768840, 794468, 820096, 853120, 886848, 993085, 1025120, 1108560, 1191702, 1230144, 1279680, 1478080, 1537680, 1588936, 1773696, 1986170, 2050240, 2217120, 2383404, 2460288, 2559360, 2956160, 2979255, 3075360, 3177872, 3972340, 4100480, 4434240, 4766808, 5958510, 6150720, 6355744, 7944680, 8868480, 9533616, 11917020, 12301440, 12711488, 15889360, 19067232, 23834040, 25422976, 31778720, 38134464, 47668080, 63557440, 76268928, 95336160, 127114880, 190672320, 381344640]

約数ペア:

[(1, 381344640), (2, 190672320), (3, 127114880), (4, 95336160), (5, 76268928), (6, 63557440), (8, 47668080), (10, 38134464), (12, 31778720), (15, 25422976), (16, 23834040), (20, 19067232), (24, 15889360), (30, 12711488), (31, 12301440), (32, 11917020), (40, 9533616), (43, 8868480), (48, 7944680), (60, 6355744), (62, 6150720), (64, 5958510), (80, 4766808), (86, 4434240), (93, 4100480), (96, 3972340), (120, 3177872), (124, 3075360), (128, 2979255), (129, 2956160), (149, 2559360), (155, 2460288), (160, 2383404), (172, 2217120), (186, 2050240), (192, 1986170), (215, 1773696), (240, 1588936), (248, 1537680), (258, 1478080), (298, 1279680), (310, 1230144), (320, 1191702), (344, 1108560), (372, 1025120), (384, 993085), (430, 886848), (447, 853120), (465, 820096), (480, 794468), (496, 768840), (516, 739040), (596, 639840), (620, 615072), (640, 595851), (645, 591232), (688, 554280), (744, 512560), (745, 511872), (860, 443424), (894, 426560), (930, 410048), (960, 397234), (992, 384420), (1032, 369520), (1192, 319920), (1240, 307536), (1290, 295616), (1333, 286080), (1376, 277140), (1488, 256280), (1490, 255936), (1720, 221712), (1788, 213280), (1860, 205024), (1920, 198617), (1984, 192210), (2064, 184760), (2235, 170624), (2384, 159960), (2480, 153768), (2580, 147808), (2666, 143040), (2752, 138570), (2976, 128140), (2980, 127968), (3440, 110856), (3576, 106640), (3720, 102512), (3968, 96105), (3999, 95360), (4128, 92380), (4470, 85312), (4619, 82560), (4768, 79980), (4960, 76884), (5160, 73904), (5332, 71520), (5504, 69285), (5952, 64070), (5960, 63984), (6407, 59520), (6665, 57216), (6880, 55428), (7152, 53320), (7440, 51256), (7998, 47680), (8256, 46190), (8940, 42656), (9238, 41280), (9536, 39990), (9920, 38442), (10320, 36952), (10664, 35760), (11904, 32035), (11920, 31992), (12814, 29760), (13330, 28608), (13760, 27714), (13857, 27520), (14304, 26660), (14880, 25628), (15996, 23840), (16512, 23095), (17880, 21328), (18476, 20640), (19072, 19995), (19221, 19840)]