251544480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 288

約数和(自身を含む): 897692544

約数和(自身を除く): 646148064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 66, 71, 80, 88, 96, 110, 120, 121, 122, 132, 142, 160, 165, 176, 183, 213, 220, 240, 242, 244, 264, 284, 305, 330, 352, 355, 363, 366, 426, 440, 480, 484, 488, 528, 568, 605, 610, 660, 671, 710, 726, 732, 781, 852, 880, 915, 968, 976, 1056, 1065, 1136, 1210, 1220, 1320, 1342, 1420, 1452, 1464, 1562, 1704, 1760, 1815, 1830, 1936, 1952, 2013, 2130, 2272, 2343, 2420, 2440, 2640, 2684, 2840, 2904, 2928, 3124, 3355, 3408, 3630, 3660, 3872, 3905, 4026, 4260, 4331, 4686, 4840, 4880, 5280, 5368, 5680, 5808, 5856, 6248, 6710, 6816, 7260, 7320, 7381, 7810, 8052, 8520, 8591, 8662, 9372, 9680, 9760, 10065, 10736, 11360, 11616, 11715, 12496, 12993, 13420, 14520, 14640, 14762, 15620, 16104, 17040, 17182, 17324, 18744, 19360, 20130, 21472, 21655, 22143, 23430, 24992, 25773, 25986, 26840, 29040, 29280, 29524, 31240, 32208, 34080, 34364, 34648, 36905, 37488, 40260, 42955, 43310, 44286, 46860, 47641, 51546, 51972, 53680, 58080, 59048, 62480, 64416, 64965, 68728, 69296, 73810, 74976, 80520, 85910, 86620, 88572, 93720, 95282, 103092, 103944, 107360, 110715, 118096, 124960, 128865, 129930, 137456, 138592, 142923, 147620, 161040, 171820, 173240, 177144, 187440, 190564, 206184, 207888, 221430, 236192, 238205, 257730, 259860, 274912, 285846, 295240, 322080, 343640, 346480, 354288, 374880, 381128, 412368, 415776, 442860, 476410, 515460, 519720, 524051, 571692, 590480, 687280, 692960, 708576, 714615, 762256, 824736, 885720, 952820, 1030920, 1039440, 1048102, 1143384, 1180960, 1374560, 1429230, 1524512, 1572153, 1771440, 1905640, 2061840, 2078880, 2096204, 2286768, 2620255, 2858460, 3144306, 3542880, 3811280, 4123680, 4192408, 4573536, 5240510, 5716920, 6288612, 7622560, 7860765, 8384816, 10481020, 11433840, 12577224, 15721530, 16769632, 20962040, 22867680, 25154448, 31443060, 41924080, 50308896, 62886120, 83848160, 125772240, 251544480]

約数ペア:

[(1, 251544480), (2, 125772240), (3, 83848160), (4, 62886120), (5, 50308896), (6, 41924080), (8, 31443060), (10, 25154448), (11, 22867680), (12, 20962040), (15, 16769632), (16, 15721530), (20, 12577224), (22, 11433840), (24, 10481020), (30, 8384816), (32, 7860765), (33, 7622560), (40, 6288612), (44, 5716920), (48, 5240510), (55, 4573536), (60, 4192408), (61, 4123680), (66, 3811280), (71, 3542880), (80, 3144306), (88, 2858460), (96, 2620255), (110, 2286768), (120, 2096204), (121, 2078880), (122, 2061840), (132, 1905640), (142, 1771440), (160, 1572153), (165, 1524512), (176, 1429230), (183, 1374560), (213, 1180960), (220, 1143384), (240, 1048102), (242, 1039440), (244, 1030920), (264, 952820), (284, 885720), (305, 824736), (330, 762256), (352, 714615), (355, 708576), (363, 692960), (366, 687280), (426, 590480), (440, 571692), (480, 524051), (484, 519720), (488, 515460), (528, 476410), (568, 442860), (605, 415776), (610, 412368), (660, 381128), (671, 374880), (710, 354288), (726, 346480), (732, 343640), (781, 322080), (852, 295240), (880, 285846), (915, 274912), (968, 259860), (976, 257730), (1056, 238205), (1065, 236192), (1136, 221430), (1210, 207888), (1220, 206184), (1320, 190564), (1342, 187440), (1420, 177144), (1452, 173240), (1464, 171820), (1562, 161040), (1704, 147620), (1760, 142923), (1815, 138592), (1830, 137456), (1936, 129930), (1952, 128865), (2013, 124960), (2130, 118096), (2272, 110715), (2343, 107360), (2420, 103944), (2440, 103092), (2640, 95282), (2684, 93720), (2840, 88572), (2904, 86620), (2928, 85910), (3124, 80520), (3355, 74976), (3408, 73810), (3630, 69296), (3660, 68728), (3872, 64965), (3905, 64416), (4026, 62480), (4260, 59048), (4331, 58080), (4686, 53680), (4840, 51972), (4880, 51546), (5280, 47641), (5368, 46860), (5680, 44286), (5808, 43310), (5856, 42955), (6248, 40260), (6710, 37488), (6816, 36905), (7260, 34648), (7320, 34364), (7381, 34080), (7810, 32208), (8052, 31240), (8520, 29524), (8591, 29280), (8662, 29040), (9372, 26840), (9680, 25986), (9760, 25773), (10065, 24992), (10736, 23430), (11360, 22143), (11616, 21655), (11715, 21472), (12496, 20130), (12993, 19360), (13420, 18744), (14520, 17324), (14640, 17182), (14762, 17040), (15620, 16104)]