1640856960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 256

約数和(自身を含む): 5849496000

約数和(自身を除く): 4208639040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 269, 270, 288, 320, 353, 360, 384, 432, 480, 538, 540, 576, 640, 706, 720, 807, 864, 960, 1059, 1076, 1080, 1152, 1345, 1412, 1440, 1614, 1728, 1765, 1920, 2118, 2152, 2160, 2421, 2690, 2824, 2880, 3177, 3228, 3456, 3530, 4035, 4236, 4304, 4320, 4842, 5295, 5380, 5648, 5760, 6354, 6456, 7060, 7263, 8070, 8472, 8608, 8640, 9531, 9684, 10590, 10760, 11296, 12105, 12708, 12912, 14120, 14526, 15885, 16140, 16944, 17216, 17280, 19062, 19368, 21180, 21520, 22592, 24210, 25416, 25824, 28240, 29052, 31770, 32280, 33888, 34432, 36315, 38124, 38736, 42360, 43040, 45184, 47655, 48420, 50832, 51648, 56480, 58104, 63540, 64560, 67776, 72630, 76248, 77472, 84720, 86080, 94957, 95310, 96840, 101664, 103296, 112960, 116208, 127080, 129120, 135552, 145260, 152496, 154944, 169440, 172160, 189914, 190620, 193680, 203328, 225920, 232416, 254160, 258240, 284871, 290520, 304992, 309888, 338880, 379828, 381240, 387360, 406656, 464832, 474785, 508320, 516480, 569742, 581040, 609984, 677760, 759656, 762480, 774720, 854613, 929664, 949570, 1016640, 1139484, 1162080, 1219968, 1424355, 1519312, 1524960, 1549440, 1709226, 1899140, 2033280, 2278968, 2324160, 2563839, 2848710, 3038624, 3049920, 3418452, 3798280, 4273065, 4557936, 4648320, 5127678, 5697420, 6077248, 6099840, 6836904, 7596560, 8546130, 9115872, 10255356, 11394840, 12154496, 12819195, 13673808, 15193120, 17092260, 18231744, 20510712, 22789680, 25638390, 27347616, 30386240, 34184520, 36463488, 41021424, 45579360, 51276780, 54695232, 60772480, 68369040, 82042848, 91158720, 102553560, 109390464, 136738080, 164085696, 182317440, 205107120, 273476160, 328171392, 410214240, 546952320, 820428480, 1640856960]

約数ペア:

[(1, 1640856960), (2, 820428480), (3, 546952320), (4, 410214240), (5, 328171392), (6, 273476160), (8, 205107120), (9, 182317440), (10, 164085696), (12, 136738080), (15, 109390464), (16, 102553560), (18, 91158720), (20, 82042848), (24, 68369040), (27, 60772480), (30, 54695232), (32, 51276780), (36, 45579360), (40, 41021424), (45, 36463488), (48, 34184520), (54, 30386240), (60, 27347616), (64, 25638390), (72, 22789680), (80, 20510712), (90, 18231744), (96, 17092260), (108, 15193120), (120, 13673808), (128, 12819195), (135, 12154496), (144, 11394840), (160, 10255356), (180, 9115872), (192, 8546130), (216, 7596560), (240, 6836904), (269, 6099840), (270, 6077248), (288, 5697420), (320, 5127678), (353, 4648320), (360, 4557936), (384, 4273065), (432, 3798280), (480, 3418452), (538, 3049920), (540, 3038624), (576, 2848710), (640, 2563839), (706, 2324160), (720, 2278968), (807, 2033280), (864, 1899140), (960, 1709226), (1059, 1549440), (1076, 1524960), (1080, 1519312), (1152, 1424355), (1345, 1219968), (1412, 1162080), (1440, 1139484), (1614, 1016640), (1728, 949570), (1765, 929664), (1920, 854613), (2118, 774720), (2152, 762480), (2160, 759656), (2421, 677760), (2690, 609984), (2824, 581040), (2880, 569742), (3177, 516480), (3228, 508320), (3456, 474785), (3530, 464832), (4035, 406656), (4236, 387360), (4304, 381240), (4320, 379828), (4842, 338880), (5295, 309888), (5380, 304992), (5648, 290520), (5760, 284871), (6354, 258240), (6456, 254160), (7060, 232416), (7263, 225920), (8070, 203328), (8472, 193680), (8608, 190620), (8640, 189914), (9531, 172160), (9684, 169440), (10590, 154944), (10760, 152496), (11296, 145260), (12105, 135552), (12708, 129120), (12912, 127080), (14120, 116208), (14526, 112960), (15885, 103296), (16140, 101664), (16944, 96840), (17216, 95310), (17280, 94957), (19062, 86080), (19368, 84720), (21180, 77472), (21520, 76248), (22592, 72630), (24210, 67776), (25416, 64560), (25824, 63540), (28240, 58104), (29052, 56480), (31770, 51648), (32280, 50832), (33888, 48420), (34432, 47655), (36315, 45184), (38124, 43040), (38736, 42360)]