319040640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 256

約数和(自身を含む): 1162800000

約数和(自身を除く): 843759360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 499, 540, 555, 576, 592, 640, 666, 720, 740, 864, 888, 960, 998, 999, 1080, 1110, 1152, 1184, 1332, 1440, 1480, 1497, 1665, 1728, 1776, 1920, 1996, 1998, 2160, 2220, 2368, 2495, 2664, 2880, 2960, 2994, 3330, 3456, 3552, 3992, 3996, 4320, 4440, 4491, 4736, 4990, 4995, 5328, 5760, 5920, 5988, 6660, 7104, 7485, 7984, 7992, 8640, 8880, 8982, 9980, 9990, 10656, 11840, 11976, 13320, 13473, 14208, 14970, 15968, 15984, 17280, 17760, 17964, 18463, 19960, 19980, 21312, 22455, 23680, 23952, 26640, 26946, 29940, 31936, 31968, 35520, 35928, 36926, 39920, 39960, 42624, 44910, 47904, 53280, 53892, 55389, 59880, 63872, 63936, 67365, 71040, 71856, 73852, 79840, 79920, 89820, 92315, 95808, 106560, 107784, 110778, 119760, 127872, 134730, 143712, 147704, 159680, 159840, 166167, 179640, 184630, 191616, 213120, 215568, 221556, 239520, 269460, 276945, 287424, 295408, 319360, 319680, 332334, 359280, 369260, 431136, 443112, 479040, 498501, 538920, 553890, 574848, 590816, 639360, 664668, 718560, 738520, 830835, 862272, 886224, 958080, 997002, 1077840, 1107780, 1181632, 1329336, 1437120, 1477040, 1661670, 1724544, 1772448, 1994004, 2155680, 2215560, 2363264, 2492505, 2658672, 2874240, 2954080, 3323340, 3544896, 3988008, 4311360, 4431120, 4985010, 5317344, 5908160, 6646680, 7089792, 7976016, 8622720, 8862240, 9970020, 10634688, 11816320, 13293360, 15952032, 17724480, 19940040, 21269376, 26586720, 31904064, 35448960, 39880080, 53173440, 63808128, 79760160, 106346880, 159520320, 319040640]

約数ペア:

[(1, 319040640), (2, 159520320), (3, 106346880), (4, 79760160), (5, 63808128), (6, 53173440), (8, 39880080), (9, 35448960), (10, 31904064), (12, 26586720), (15, 21269376), (16, 19940040), (18, 17724480), (20, 15952032), (24, 13293360), (27, 11816320), (30, 10634688), (32, 9970020), (36, 8862240), (37, 8622720), (40, 7976016), (45, 7089792), (48, 6646680), (54, 5908160), (60, 5317344), (64, 4985010), (72, 4431120), (74, 4311360), (80, 3988008), (90, 3544896), (96, 3323340), (108, 2954080), (111, 2874240), (120, 2658672), (128, 2492505), (135, 2363264), (144, 2215560), (148, 2155680), (160, 1994004), (180, 1772448), (185, 1724544), (192, 1661670), (216, 1477040), (222, 1437120), (240, 1329336), (270, 1181632), (288, 1107780), (296, 1077840), (320, 997002), (333, 958080), (360, 886224), (370, 862272), (384, 830835), (432, 738520), (444, 718560), (480, 664668), (499, 639360), (540, 590816), (555, 574848), (576, 553890), (592, 538920), (640, 498501), (666, 479040), (720, 443112), (740, 431136), (864, 369260), (888, 359280), (960, 332334), (998, 319680), (999, 319360), (1080, 295408), (1110, 287424), (1152, 276945), (1184, 269460), (1332, 239520), (1440, 221556), (1480, 215568), (1497, 213120), (1665, 191616), (1728, 184630), (1776, 179640), (1920, 166167), (1996, 159840), (1998, 159680), (2160, 147704), (2220, 143712), (2368, 134730), (2495, 127872), (2664, 119760), (2880, 110778), (2960, 107784), (2994, 106560), (3330, 95808), (3456, 92315), (3552, 89820), (3992, 79920), (3996, 79840), (4320, 73852), (4440, 71856), (4491, 71040), (4736, 67365), (4990, 63936), (4995, 63872), (5328, 59880), (5760, 55389), (5920, 53892), (5988, 53280), (6660, 47904), (7104, 44910), (7485, 42624), (7984, 39960), (7992, 39920), (8640, 36926), (8880, 35928), (8982, 35520), (9980, 31968), (9990, 31936), (10656, 29940), (11840, 26946), (11976, 26640), (13320, 23952), (13473, 23680), (14208, 22455), (14970, 21312), (15968, 19980), (15984, 19960), (17280, 18463), (17760, 17964)]