666491328

素因数分解:

$2^6\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 140

約数和(自身を含む): 2000783400

約数和(自身を除く): 1334292072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 83, 96, 108, 144, 162, 166, 192, 216, 249, 288, 324, 332, 432, 498, 576, 648, 664, 747, 864, 996, 1296, 1328, 1494, 1549, 1728, 1992, 2241, 2592, 2656, 2988, 3098, 3984, 4482, 4647, 5184, 5312, 5976, 6196, 6723, 7968, 8964, 9294, 11952, 12392, 13446, 13941, 15936, 17928, 18588, 23904, 24784, 26892, 27882, 35856, 37176, 41823, 47808, 49568, 53784, 55764, 71712, 74352, 83646, 99136, 107568, 111528, 125469, 128567, 143424, 148704, 167292, 215136, 223056, 250938, 257134, 297408, 334584, 385701, 430272, 446112, 501876, 514268, 669168, 771402, 892224, 1003752, 1028536, 1157103, 1338336, 1542804, 2007504, 2057072, 2314206, 2676672, 3085608, 3471309, 4015008, 4114144, 4628412, 6171216, 6942618, 8030016, 8228288, 9256824, 10413927, 12342432, 13885236, 18513648, 20827854, 24684864, 27770472, 37027296, 41655708, 55540944, 74054592, 83311416, 111081888, 166622832, 222163776, 333245664, 666491328]

約数ペア:

[(1, 666491328), (2, 333245664), (3, 222163776), (4, 166622832), (6, 111081888), (8, 83311416), (9, 74054592), (12, 55540944), (16, 41655708), (18, 37027296), (24, 27770472), (27, 24684864), (32, 20827854), (36, 18513648), (48, 13885236), (54, 12342432), (64, 10413927), (72, 9256824), (81, 8228288), (83, 8030016), (96, 6942618), (108, 6171216), (144, 4628412), (162, 4114144), (166, 4015008), (192, 3471309), (216, 3085608), (249, 2676672), (288, 2314206), (324, 2057072), (332, 2007504), (432, 1542804), (498, 1338336), (576, 1157103), (648, 1028536), (664, 1003752), (747, 892224), (864, 771402), (996, 669168), (1296, 514268), (1328, 501876), (1494, 446112), (1549, 430272), (1728, 385701), (1992, 334584), (2241, 297408), (2592, 257134), (2656, 250938), (2988, 223056), (3098, 215136), (3984, 167292), (4482, 148704), (4647, 143424), (5184, 128567), (5312, 125469), (5976, 111528), (6196, 107568), (6723, 99136), (7968, 83646), (8964, 74352), (9294, 71712), (11952, 55764), (12392, 53784), (13446, 49568), (13941, 47808), (15936, 41823), (17928, 37176), (18588, 35856), (23904, 27882), (24784, 26892)]