257643360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13763}}^1$

素因数の和:13797

約数の個数: 144

約数和(自身を含む): 946908144

約数和(自身を除く): 689264784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 13763, 18720, 27526, 41289, 55052, 68815, 82578, 110104, 123867, 137630, 165156, 178919, 206445, 220208, 247734, 275260, 330312, 357838, 412890, 440416, 495468, 536757, 550520, 619335, 660624, 715676, 825780, 894595, 990936, 1073514, 1101040, 1238670, 1321248, 1431352, 1610271, 1651560, 1789190, 1981872, 2147028, 2202080, 2477340, 2683785, 2862704, 3220542, 3303120, 3578380, 3963744, 4294056, 4954680, 5367570, 5725408, 6441084, 6606240, 7156760, 8051355, 8588112, 9909360, 10735140, 12882168, 14313520, 16102710, 17176224, 19818720, 21470280, 25764336, 28627040, 32205420, 42940560, 51528672, 64410840, 85881120, 128821680, 257643360]

約数ペア:

[(1, 257643360), (2, 128821680), (3, 85881120), (4, 64410840), (5, 51528672), (6, 42940560), (8, 32205420), (9, 28627040), (10, 25764336), (12, 21470280), (13, 19818720), (15, 17176224), (16, 16102710), (18, 14313520), (20, 12882168), (24, 10735140), (26, 9909360), (30, 8588112), (32, 8051355), (36, 7156760), (39, 6606240), (40, 6441084), (45, 5725408), (48, 5367570), (52, 4954680), (60, 4294056), (65, 3963744), (72, 3578380), (78, 3303120), (80, 3220542), (90, 2862704), (96, 2683785), (104, 2477340), (117, 2202080), (120, 2147028), (130, 1981872), (144, 1789190), (156, 1651560), (160, 1610271), (180, 1431352), (195, 1321248), (208, 1238670), (234, 1101040), (240, 1073514), (260, 990936), (288, 894595), (312, 825780), (360, 715676), (390, 660624), (416, 619335), (468, 550520), (480, 536757), (520, 495468), (585, 440416), (624, 412890), (720, 357838), (780, 330312), (936, 275260), (1040, 247734), (1170, 220208), (1248, 206445), (1440, 178919), (1560, 165156), (1872, 137630), (2080, 123867), (2340, 110104), (3120, 82578), (3744, 68815), (4680, 55052), (6240, 41289), (9360, 27526), (13763, 18720)]