256148640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 288

約数和(自身を含む): 968962176

約数和(自身を除く): 712813536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 103, 110, 120, 132, 144, 157, 160, 165, 176, 180, 198, 206, 220, 240, 264, 288, 309, 314, 330, 352, 360, 396, 412, 440, 471, 480, 495, 515, 528, 618, 628, 660, 720, 785, 792, 824, 880, 927, 942, 990, 1030, 1056, 1133, 1236, 1256, 1320, 1413, 1440, 1545, 1570, 1584, 1648, 1727, 1760, 1854, 1884, 1980, 2060, 2266, 2355, 2472, 2512, 2640, 2826, 3090, 3140, 3168, 3296, 3399, 3454, 3708, 3768, 3960, 4120, 4532, 4635, 4710, 4944, 5024, 5181, 5280, 5652, 5665, 6180, 6280, 6798, 6908, 7065, 7416, 7536, 7920, 8240, 8635, 9064, 9270, 9420, 9888, 10197, 10362, 11304, 11330, 12360, 12560, 13596, 13816, 14130, 14832, 15072, 15543, 15840, 16171, 16480, 16995, 17270, 18128, 18540, 18840, 20394, 20724, 22608, 22660, 24720, 25120, 25905, 27192, 27632, 28260, 29664, 31086, 32342, 33990, 34540, 36256, 37080, 37680, 40788, 41448, 45216, 45320, 48513, 49440, 50985, 51810, 54384, 55264, 56520, 62172, 64684, 67980, 69080, 74160, 75360, 77715, 80855, 81576, 82896, 90640, 97026, 101970, 103620, 108768, 113040, 124344, 129368, 135960, 138160, 145539, 148320, 155430, 161710, 163152, 165792, 177881, 181280, 194052, 203940, 207240, 226080, 242565, 248688, 258736, 271920, 276320, 291078, 310860, 323420, 326304, 355762, 388104, 407880, 414480, 485130, 497376, 517472, 533643, 543840, 582156, 621720, 646840, 711524, 727695, 776208, 815760, 828960, 889405, 970260, 1067286, 1164312, 1243440, 1293680, 1423048, 1455390, 1552416, 1600929, 1631520, 1778810, 1940520, 2134572, 2328624, 2486880, 2587360, 2668215, 2846096, 2910780, 3201858, 3557620, 3881040, 4269144, 4657248, 5336430, 5692192, 5821560, 6403716, 7115240, 7762080, 8004645, 8538288, 10672860, 11643120, 12807432, 14230480, 16009290, 17076576, 21345720, 23286240, 25614864, 28460960, 32018580, 42691440, 51229728, 64037160, 85382880, 128074320, 256148640]

約数ペア:

[(1, 256148640), (2, 128074320), (3, 85382880), (4, 64037160), (5, 51229728), (6, 42691440), (8, 32018580), (9, 28460960), (10, 25614864), (11, 23286240), (12, 21345720), (15, 17076576), (16, 16009290), (18, 14230480), (20, 12807432), (22, 11643120), (24, 10672860), (30, 8538288), (32, 8004645), (33, 7762080), (36, 7115240), (40, 6403716), (44, 5821560), (45, 5692192), (48, 5336430), (55, 4657248), (60, 4269144), (66, 3881040), (72, 3557620), (80, 3201858), (88, 2910780), (90, 2846096), (96, 2668215), (99, 2587360), (103, 2486880), (110, 2328624), (120, 2134572), (132, 1940520), (144, 1778810), (157, 1631520), (160, 1600929), (165, 1552416), (176, 1455390), (180, 1423048), (198, 1293680), (206, 1243440), (220, 1164312), (240, 1067286), (264, 970260), (288, 889405), (309, 828960), (314, 815760), (330, 776208), (352, 727695), (360, 711524), (396, 646840), (412, 621720), (440, 582156), (471, 543840), (480, 533643), (495, 517472), (515, 497376), (528, 485130), (618, 414480), (628, 407880), (660, 388104), (720, 355762), (785, 326304), (792, 323420), (824, 310860), (880, 291078), (927, 276320), (942, 271920), (990, 258736), (1030, 248688), (1056, 242565), (1133, 226080), (1236, 207240), (1256, 203940), (1320, 194052), (1413, 181280), (1440, 177881), (1545, 165792), (1570, 163152), (1584, 161710), (1648, 155430), (1727, 148320), (1760, 145539), (1854, 138160), (1884, 135960), (1980, 129368), (2060, 124344), (2266, 113040), (2355, 108768), (2472, 103620), (2512, 101970), (2640, 97026), (2826, 90640), (3090, 82896), (3140, 81576), (3168, 80855), (3296, 77715), (3399, 75360), (3454, 74160), (3708, 69080), (3768, 67980), (3960, 64684), (4120, 62172), (4532, 56520), (4635, 55264), (4710, 54384), (4944, 51810), (5024, 50985), (5181, 49440), (5280, 48513), (5652, 45320), (5665, 45216), (6180, 41448), (6280, 40788), (6798, 37680), (6908, 37080), (7065, 36256), (7416, 34540), (7536, 33990), (7920, 32342), (8240, 31086), (8635, 29664), (9064, 28260), (9270, 27632), (9420, 27192), (9888, 25905), (10197, 25120), (10362, 24720), (11304, 22660), (11330, 22608), (12360, 20724), (12560, 20394), (13596, 18840), (13816, 18540), (14130, 18128), (14832, 17270), (15072, 16995), (15543, 16480), (15840, 16171)]