256204080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 320

約数和(自身を含む): 989936640

約数和(自身を除く): 733732560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 41, 44, 45, 48, 54, 55, 60, 66, 72, 80, 82, 88, 90, 99, 108, 110, 120, 123, 132, 135, 144, 164, 165, 176, 180, 198, 205, 216, 220, 240, 246, 263, 264, 270, 297, 328, 330, 360, 369, 396, 410, 432, 440, 451, 492, 495, 526, 528, 540, 594, 615, 656, 660, 720, 738, 789, 792, 820, 880, 902, 984, 990, 1052, 1080, 1107, 1188, 1230, 1315, 1320, 1353, 1476, 1485, 1578, 1584, 1640, 1804, 1845, 1968, 1980, 2104, 2160, 2214, 2255, 2367, 2376, 2460, 2630, 2640, 2706, 2893, 2952, 2970, 3156, 3280, 3608, 3690, 3945, 3960, 4059, 4208, 4428, 4510, 4734, 4752, 4920, 5260, 5412, 5535, 5786, 5904, 5940, 6312, 6765, 7101, 7216, 7380, 7890, 7920, 8118, 8679, 8856, 9020, 9468, 9840, 10520, 10783, 10824, 11070, 11572, 11835, 11880, 12177, 12624, 13530, 14202, 14465, 14760, 15780, 16236, 17358, 17712, 18040, 18936, 20295, 21040, 21566, 21648, 22140, 23144, 23670, 23760, 24354, 26037, 27060, 28404, 28930, 29520, 31560, 32349, 32472, 34716, 35505, 36080, 37872, 40590, 43132, 43395, 44280, 46288, 47340, 48708, 52074, 53915, 54120, 56808, 57860, 60885, 63120, 64698, 64944, 69432, 71010, 78111, 81180, 86264, 86790, 88560, 94680, 97047, 97416, 104148, 107830, 108240, 113616, 115720, 118613, 121770, 129396, 130185, 138864, 142020, 156222, 161745, 162360, 172528, 173580, 189360, 194094, 194832, 208296, 215660, 231440, 237226, 243540, 258792, 260370, 284040, 291141, 312444, 323490, 324720, 347160, 355839, 388188, 390555, 416592, 431320, 474452, 485235, 487080, 517584, 520740, 568080, 582282, 593065, 624888, 646980, 694320, 711678, 776376, 781110, 862640, 948904, 970470, 974160, 1041480, 1067517, 1164564, 1186130, 1249776, 1293960, 1423356, 1455705, 1552752, 1562220, 1779195, 1897808, 1940940, 2082960, 2135034, 2329128, 2372260, 2587920, 2846712, 2911410, 3124440, 3202551, 3558390, 3881880, 4270068, 4658256, 4744520, 5337585, 5693424, 5822820, 6248880, 6405102, 7116780, 7763760, 8540136, 9489040, 10675170, 11645640, 12810204, 14233560, 16012755, 17080272, 21350340, 23291280, 25620408, 28467120, 32025510, 42700680, 51240816, 64051020, 85401360, 128102040, 256204080]

約数ペア:

[(1, 256204080), (2, 128102040), (3, 85401360), (4, 64051020), (5, 51240816), (6, 42700680), (8, 32025510), (9, 28467120), (10, 25620408), (11, 23291280), (12, 21350340), (15, 17080272), (16, 16012755), (18, 14233560), (20, 12810204), (22, 11645640), (24, 10675170), (27, 9489040), (30, 8540136), (33, 7763760), (36, 7116780), (40, 6405102), (41, 6248880), (44, 5822820), (45, 5693424), (48, 5337585), (54, 4744520), (55, 4658256), (60, 4270068), (66, 3881880), (72, 3558390), (80, 3202551), (82, 3124440), (88, 2911410), (90, 2846712), (99, 2587920), (108, 2372260), (110, 2329128), (120, 2135034), (123, 2082960), (132, 1940940), (135, 1897808), (144, 1779195), (164, 1562220), (165, 1552752), (176, 1455705), (180, 1423356), (198, 1293960), (205, 1249776), (216, 1186130), (220, 1164564), (240, 1067517), (246, 1041480), (263, 974160), (264, 970470), (270, 948904), (297, 862640), (328, 781110), (330, 776376), (360, 711678), (369, 694320), (396, 646980), (410, 624888), (432, 593065), (440, 582282), (451, 568080), (492, 520740), (495, 517584), (526, 487080), (528, 485235), (540, 474452), (594, 431320), (615, 416592), (656, 390555), (660, 388188), (720, 355839), (738, 347160), (789, 324720), (792, 323490), (820, 312444), (880, 291141), (902, 284040), (984, 260370), (990, 258792), (1052, 243540), (1080, 237226), (1107, 231440), (1188, 215660), (1230, 208296), (1315, 194832), (1320, 194094), (1353, 189360), (1476, 173580), (1485, 172528), (1578, 162360), (1584, 161745), (1640, 156222), (1804, 142020), (1845, 138864), (1968, 130185), (1980, 129396), (2104, 121770), (2160, 118613), (2214, 115720), (2255, 113616), (2367, 108240), (2376, 107830), (2460, 104148), (2630, 97416), (2640, 97047), (2706, 94680), (2893, 88560), (2952, 86790), (2970, 86264), (3156, 81180), (3280, 78111), (3608, 71010), (3690, 69432), (3945, 64944), (3960, 64698), (4059, 63120), (4208, 60885), (4428, 57860), (4510, 56808), (4734, 54120), (4752, 53915), (4920, 52074), (5260, 48708), (5412, 47340), (5535, 46288), (5786, 44280), (5904, 43395), (5940, 43132), (6312, 40590), (6765, 37872), (7101, 36080), (7216, 35505), (7380, 34716), (7890, 32472), (7920, 32349), (8118, 31560), (8679, 29520), (8856, 28930), (9020, 28404), (9468, 27060), (9840, 26037), (10520, 24354), (10783, 23760), (10824, 23670), (11070, 23144), (11572, 22140), (11835, 21648), (11880, 21566), (12177, 21040), (12624, 20295), (13530, 18936), (14202, 18040), (14465, 17712), (14760, 17358), (15780, 16236)]