256709760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 256

約数和(自身を含む): 893030400

約数和(自身を除く): 636320640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 227, 228, 240, 248, 285, 304, 310, 320, 372, 380, 384, 454, 456, 465, 480, 496, 570, 589, 608, 620, 640, 681, 744, 760, 908, 912, 930, 960, 992, 1135, 1140, 1178, 1216, 1240, 1362, 1488, 1520, 1767, 1816, 1824, 1860, 1920, 1984, 2270, 2280, 2356, 2432, 2480, 2724, 2945, 2976, 3040, 3405, 3534, 3632, 3648, 3720, 3968, 4313, 4540, 4560, 4712, 4960, 5448, 5890, 5952, 6080, 6810, 7037, 7068, 7264, 7296, 7440, 8626, 8835, 9080, 9120, 9424, 9920, 10896, 11780, 11904, 12160, 12939, 13620, 14074, 14136, 14528, 14880, 17252, 17670, 18160, 18240, 18848, 19840, 21111, 21565, 21792, 23560, 25878, 27240, 28148, 28272, 29056, 29760, 34504, 35185, 35340, 36320, 36480, 37696, 42222, 43130, 43584, 47120, 51756, 54480, 56296, 56544, 59520, 64695, 69008, 70370, 70680, 72640, 75392, 84444, 86260, 87168, 94240, 103512, 105555, 108960, 112592, 113088, 129390, 133703, 138016, 140740, 141360, 145280, 168888, 172520, 188480, 207024, 211110, 217920, 225184, 226176, 258780, 267406, 276032, 281480, 282720, 337776, 345040, 376960, 401109, 414048, 422220, 435840, 450368, 517560, 534812, 552064, 562960, 565440, 668515, 675552, 690080, 802218, 828096, 844440, 900736, 1035120, 1069624, 1125920, 1130880, 1337030, 1351104, 1380160, 1604436, 1656192, 1688880, 2005545, 2070240, 2139248, 2251840, 2674060, 2702208, 2760320, 3208872, 3377760, 4011090, 4140480, 4278496, 4503680, 5348120, 6417744, 6755520, 8022180, 8280960, 8556992, 10696240, 12835488, 13511040, 16044360, 17113984, 21392480, 25670976, 32088720, 42784960, 51341952, 64177440, 85569920, 128354880, 256709760]

約数ペア:

[(1, 256709760), (2, 128354880), (3, 85569920), (4, 64177440), (5, 51341952), (6, 42784960), (8, 32088720), (10, 25670976), (12, 21392480), (15, 17113984), (16, 16044360), (19, 13511040), (20, 12835488), (24, 10696240), (30, 8556992), (31, 8280960), (32, 8022180), (38, 6755520), (40, 6417744), (48, 5348120), (57, 4503680), (60, 4278496), (62, 4140480), (64, 4011090), (76, 3377760), (80, 3208872), (93, 2760320), (95, 2702208), (96, 2674060), (114, 2251840), (120, 2139248), (124, 2070240), (128, 2005545), (152, 1688880), (155, 1656192), (160, 1604436), (186, 1380160), (190, 1351104), (192, 1337030), (227, 1130880), (228, 1125920), (240, 1069624), (248, 1035120), (285, 900736), (304, 844440), (310, 828096), (320, 802218), (372, 690080), (380, 675552), (384, 668515), (454, 565440), (456, 562960), (465, 552064), (480, 534812), (496, 517560), (570, 450368), (589, 435840), (608, 422220), (620, 414048), (640, 401109), (681, 376960), (744, 345040), (760, 337776), (908, 282720), (912, 281480), (930, 276032), (960, 267406), (992, 258780), (1135, 226176), (1140, 225184), (1178, 217920), (1216, 211110), (1240, 207024), (1362, 188480), (1488, 172520), (1520, 168888), (1767, 145280), (1816, 141360), (1824, 140740), (1860, 138016), (1920, 133703), (1984, 129390), (2270, 113088), (2280, 112592), (2356, 108960), (2432, 105555), (2480, 103512), (2724, 94240), (2945, 87168), (2976, 86260), (3040, 84444), (3405, 75392), (3534, 72640), (3632, 70680), (3648, 70370), (3720, 69008), (3968, 64695), (4313, 59520), (4540, 56544), (4560, 56296), (4712, 54480), (4960, 51756), (5448, 47120), (5890, 43584), (5952, 43130), (6080, 42222), (6810, 37696), (7037, 36480), (7068, 36320), (7264, 35340), (7296, 35185), (7440, 34504), (8626, 29760), (8835, 29056), (9080, 28272), (9120, 28148), (9424, 27240), (9920, 25878), (10896, 23560), (11780, 21792), (11904, 21565), (12160, 21111), (12939, 19840), (13620, 18848), (14074, 18240), (14136, 18160), (14528, 17670), (14880, 17252)]