256196160

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8121

約数の個数: 168

約数和(自身を含む): 961436736

約数和(自身を除く): 705240576

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, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 8087, 10560, 15840, 16174, 24261, 31680, 32348, 40435, 48522, 64696, 72783, 80870, 88957, 97044, 121305, 129392, 145566, 161740, 177914, 194088, 242610, 258784, 266871, 291132, 323480, 355828, 363915, 388176, 444785, 485220, 517568, 533742, 582264, 646960, 711656, 727830, 776352, 800613, 889570, 970440, 1067484, 1164528, 1293920, 1334355, 1423312, 1455660, 1552704, 1601226, 1779140, 1940880, 2134968, 2329056, 2587840, 2668710, 2846624, 2911320, 3202452, 3558280, 3881760, 4003065, 4269936, 4658112, 5337420, 5693248, 5822640, 6404904, 7116560, 7763520, 8006130, 8539872, 10674840, 11645280, 12809808, 14233120, 16012260, 17079744, 21349680, 23290560, 25619616, 28466240, 32024520, 42699360, 51239232, 64049040, 85398720, 128098080, 256196160]

約数ペア:

[(1, 256196160), (2, 128098080), (3, 85398720), (4, 64049040), (5, 51239232), (6, 42699360), (8, 32024520), (9, 28466240), (10, 25619616), (11, 23290560), (12, 21349680), (15, 17079744), (16, 16012260), (18, 14233120), (20, 12809808), (22, 11645280), (24, 10674840), (30, 8539872), (32, 8006130), (33, 7763520), (36, 7116560), (40, 6404904), (44, 5822640), (45, 5693248), (48, 5337420), (55, 4658112), (60, 4269936), (64, 4003065), (66, 3881760), (72, 3558280), (80, 3202452), (88, 2911320), (90, 2846624), (96, 2668710), (99, 2587840), (110, 2329056), (120, 2134968), (132, 1940880), (144, 1779140), (160, 1601226), (165, 1552704), (176, 1455660), (180, 1423312), (192, 1334355), (198, 1293920), (220, 1164528), (240, 1067484), (264, 970440), (288, 889570), (320, 800613), (330, 776352), (352, 727830), (360, 711656), (396, 646960), (440, 582264), (480, 533742), (495, 517568), (528, 485220), (576, 444785), (660, 388176), (704, 363915), (720, 355828), (792, 323480), (880, 291132), (960, 266871), (990, 258784), (1056, 242610), (1320, 194088), (1440, 177914), (1584, 161740), (1760, 145566), (1980, 129392), (2112, 121305), (2640, 97044), (2880, 88957), (3168, 80870), (3520, 72783), (3960, 64696), (5280, 48522), (6336, 40435), (7920, 32348), (8087, 31680), (10560, 24261), (15840, 16174)]