261228672

素因数分解:

$2^7\times 3^3\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 778219200

約数和(自身を除く): 516990528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 131, 144, 192, 216, 262, 288, 384, 393, 432, 524, 576, 577, 786, 864, 1048, 1152, 1154, 1179, 1572, 1728, 1731, 2096, 2308, 2358, 3144, 3456, 3462, 3537, 4192, 4616, 4716, 5193, 6288, 6924, 7074, 8384, 9232, 9432, 10386, 12576, 13848, 14148, 15579, 16768, 18464, 18864, 20772, 25152, 27696, 28296, 31158, 36928, 37728, 41544, 50304, 55392, 56592, 62316, 73856, 75456, 75587, 83088, 110784, 113184, 124632, 150912, 151174, 166176, 221568, 226368, 226761, 249264, 302348, 332352, 452736, 453522, 498528, 604696, 664704, 680283, 907044, 997056, 1209392, 1360566, 1814088, 1994112, 2040849, 2418784, 2721132, 3628176, 4081698, 4837568, 5442264, 7256352, 8163396, 9675136, 10884528, 14512704, 16326792, 21769056, 29025408, 32653584, 43538112, 65307168, 87076224, 130614336, 261228672]

約数ペア:

[(1, 261228672), (2, 130614336), (3, 87076224), (4, 65307168), (6, 43538112), (8, 32653584), (9, 29025408), (12, 21769056), (16, 16326792), (18, 14512704), (24, 10884528), (27, 9675136), (32, 8163396), (36, 7256352), (48, 5442264), (54, 4837568), (64, 4081698), (72, 3628176), (96, 2721132), (108, 2418784), (128, 2040849), (131, 1994112), (144, 1814088), (192, 1360566), (216, 1209392), (262, 997056), (288, 907044), (384, 680283), (393, 664704), (432, 604696), (524, 498528), (576, 453522), (577, 452736), (786, 332352), (864, 302348), (1048, 249264), (1152, 226761), (1154, 226368), (1179, 221568), (1572, 166176), (1728, 151174), (1731, 150912), (2096, 124632), (2308, 113184), (2358, 110784), (3144, 83088), (3456, 75587), (3462, 75456), (3537, 73856), (4192, 62316), (4616, 56592), (4716, 55392), (5193, 50304), (6288, 41544), (6924, 37728), (7074, 36928), (8384, 31158), (9232, 28296), (9432, 27696), (10386, 25152), (12576, 20772), (13848, 18864), (14148, 18464), (15579, 16768)]