256635360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5749}}^1$

素因数の和:5801

約数の個数: 144

約数和(自身を含む): 904176000

約数和(自身を除く): 647540640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 5749, 7440, 8928, 11160, 11498, 14880, 17247, 22320, 22996, 28745, 34494, 44640, 45992, 51741, 57490, 68988, 86235, 91984, 103482, 114980, 137976, 172470, 178219, 183968, 206964, 229960, 258705, 275952, 344940, 356438, 413928, 459920, 517410, 534657, 551904, 689880, 712876, 827856, 891095, 919840, 1034820, 1069314, 1379760, 1425752, 1603971, 1655712, 1782190, 2069640, 2138628, 2673285, 2759520, 2851504, 3207942, 3564380, 4139280, 4277256, 5346570, 5703008, 6415884, 7128760, 8019855, 8278560, 8554512, 10693140, 12831768, 14257520, 16039710, 17109024, 21386280, 25663536, 28515040, 32079420, 42772560, 51327072, 64158840, 85545120, 128317680, 256635360]

約数ペア:

[(1, 256635360), (2, 128317680), (3, 85545120), (4, 64158840), (5, 51327072), (6, 42772560), (8, 32079420), (9, 28515040), (10, 25663536), (12, 21386280), (15, 17109024), (16, 16039710), (18, 14257520), (20, 12831768), (24, 10693140), (30, 8554512), (31, 8278560), (32, 8019855), (36, 7128760), (40, 6415884), (45, 5703008), (48, 5346570), (60, 4277256), (62, 4139280), (72, 3564380), (80, 3207942), (90, 2851504), (93, 2759520), (96, 2673285), (120, 2138628), (124, 2069640), (144, 1782190), (155, 1655712), (160, 1603971), (180, 1425752), (186, 1379760), (240, 1069314), (248, 1034820), (279, 919840), (288, 891095), (310, 827856), (360, 712876), (372, 689880), (465, 551904), (480, 534657), (496, 517410), (558, 459920), (620, 413928), (720, 356438), (744, 344940), (930, 275952), (992, 258705), (1116, 229960), (1240, 206964), (1395, 183968), (1440, 178219), (1488, 172470), (1860, 137976), (2232, 114980), (2480, 103482), (2790, 91984), (2976, 86235), (3720, 68988), (4464, 57490), (4960, 51741), (5580, 45992), (5749, 44640), (7440, 34494), (8928, 28745), (11160, 22996), (11498, 22320), (14880, 17247)]