257818680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 256

約数和(自身を含む): 998784000

約数和(自身を除く): 740965320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 67, 70, 72, 84, 90, 105, 108, 120, 126, 134, 135, 140, 168, 180, 189, 201, 210, 216, 252, 268, 270, 280, 315, 335, 360, 378, 402, 420, 469, 504, 509, 536, 540, 603, 630, 670, 756, 804, 840, 938, 945, 1005, 1018, 1080, 1206, 1260, 1340, 1407, 1512, 1527, 1608, 1809, 1876, 1890, 2010, 2036, 2345, 2412, 2520, 2545, 2680, 2814, 3015, 3054, 3563, 3618, 3752, 3780, 4020, 4072, 4221, 4581, 4690, 4824, 5090, 5628, 6030, 6108, 7035, 7126, 7236, 7560, 7635, 8040, 8442, 9045, 9162, 9380, 10180, 10689, 11256, 12060, 12216, 12663, 13743, 14070, 14252, 14472, 15270, 16884, 17815, 18090, 18324, 18760, 20360, 21105, 21378, 22905, 24120, 25326, 27486, 28140, 28504, 30540, 32067, 33768, 34103, 35630, 36180, 36648, 42210, 42756, 45810, 50652, 53445, 54972, 56280, 61080, 63315, 64134, 68206, 68715, 71260, 72360, 84420, 85512, 91620, 96201, 101304, 102309, 106890, 109944, 126630, 128268, 136412, 137430, 142520, 160335, 168840, 170515, 183240, 192402, 204618, 213780, 238721, 253260, 256536, 272824, 274860, 306927, 320670, 341030, 384804, 409236, 427560, 477442, 481005, 506520, 511545, 549720, 613854, 641340, 682060, 716163, 769608, 818472, 920781, 954884, 962010, 1023090, 1193605, 1227708, 1282680, 1364120, 1432326, 1534635, 1841562, 1909768, 1924020, 2046180, 2148489, 2387210, 2455416, 2864652, 3069270, 3580815, 3683124, 3848040, 4092360, 4296978, 4603905, 4774420, 5729304, 6138540, 6445467, 7161630, 7366248, 8593956, 9207810, 9548840, 10742445, 12277080, 12890934, 14323260, 17187912, 18415620, 21484890, 25781868, 28646520, 32227335, 36831240, 42969780, 51563736, 64454670, 85939560, 128909340, 257818680]

約数ペア:

[(1, 257818680), (2, 128909340), (3, 85939560), (4, 64454670), (5, 51563736), (6, 42969780), (7, 36831240), (8, 32227335), (9, 28646520), (10, 25781868), (12, 21484890), (14, 18415620), (15, 17187912), (18, 14323260), (20, 12890934), (21, 12277080), (24, 10742445), (27, 9548840), (28, 9207810), (30, 8593956), (35, 7366248), (36, 7161630), (40, 6445467), (42, 6138540), (45, 5729304), (54, 4774420), (56, 4603905), (60, 4296978), (63, 4092360), (67, 3848040), (70, 3683124), (72, 3580815), (84, 3069270), (90, 2864652), (105, 2455416), (108, 2387210), (120, 2148489), (126, 2046180), (134, 1924020), (135, 1909768), (140, 1841562), (168, 1534635), (180, 1432326), (189, 1364120), (201, 1282680), (210, 1227708), (216, 1193605), (252, 1023090), (268, 962010), (270, 954884), (280, 920781), (315, 818472), (335, 769608), (360, 716163), (378, 682060), (402, 641340), (420, 613854), (469, 549720), (504, 511545), (509, 506520), (536, 481005), (540, 477442), (603, 427560), (630, 409236), (670, 384804), (756, 341030), (804, 320670), (840, 306927), (938, 274860), (945, 272824), (1005, 256536), (1018, 253260), (1080, 238721), (1206, 213780), (1260, 204618), (1340, 192402), (1407, 183240), (1512, 170515), (1527, 168840), (1608, 160335), (1809, 142520), (1876, 137430), (1890, 136412), (2010, 128268), (2036, 126630), (2345, 109944), (2412, 106890), (2520, 102309), (2545, 101304), (2680, 96201), (2814, 91620), (3015, 85512), (3054, 84420), (3563, 72360), (3618, 71260), (3752, 68715), (3780, 68206), (4020, 64134), (4072, 63315), (4221, 61080), (4581, 56280), (4690, 54972), (4824, 53445), (5090, 50652), (5628, 45810), (6030, 42756), (6108, 42210), (7035, 36648), (7126, 36180), (7236, 35630), (7560, 34103), (7635, 33768), (8040, 32067), (8442, 30540), (9045, 28504), (9162, 28140), (9380, 27486), (10180, 25326), (10689, 24120), (11256, 22905), (12060, 21378), (12216, 21105), (12663, 20360), (13743, 18760), (14070, 18324), (14252, 18090), (14472, 17815), (15270, 16884)]