81718848

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 168

約数和(自身を含む): 255483360

約数和(自身を除く): 173764512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 131, 144, 152, 171, 192, 216, 228, 262, 288, 304, 342, 361, 393, 432, 456, 513, 524, 576, 608, 684, 722, 786, 864, 912, 1026, 1048, 1083, 1179, 1216, 1368, 1444, 1572, 1728, 1824, 2052, 2096, 2166, 2358, 2489, 2736, 2888, 3144, 3249, 3537, 3648, 4104, 4192, 4332, 4716, 4978, 5472, 5776, 6288, 6498, 7074, 7467, 8208, 8384, 8664, 9432, 9747, 9956, 10944, 11552, 12576, 12996, 14148, 14934, 16416, 17328, 18864, 19494, 19912, 22401, 23104, 25152, 25992, 28296, 29868, 32832, 34656, 37728, 38988, 39824, 44802, 47291, 51984, 56592, 59736, 67203, 69312, 75456, 77976, 79648, 89604, 94582, 103968, 113184, 119472, 134406, 141873, 155952, 159296, 179208, 189164, 207936, 226368, 238944, 268812, 283746, 311904, 358416, 378328, 425619, 477888, 537624, 567492, 623808, 716832, 756656, 851238, 1075248, 1134984, 1276857, 1433664, 1513312, 1702476, 2150496, 2269968, 2553714, 3026624, 3404952, 4300992, 4539936, 5107428, 6809904, 9079872, 10214856, 13619808, 20429712, 27239616, 40859424, 81718848]

約数ペア:

[(1, 81718848), (2, 40859424), (3, 27239616), (4, 20429712), (6, 13619808), (8, 10214856), (9, 9079872), (12, 6809904), (16, 5107428), (18, 4539936), (19, 4300992), (24, 3404952), (27, 3026624), (32, 2553714), (36, 2269968), (38, 2150496), (48, 1702476), (54, 1513312), (57, 1433664), (64, 1276857), (72, 1134984), (76, 1075248), (96, 851238), (108, 756656), (114, 716832), (131, 623808), (144, 567492), (152, 537624), (171, 477888), (192, 425619), (216, 378328), (228, 358416), (262, 311904), (288, 283746), (304, 268812), (342, 238944), (361, 226368), (393, 207936), (432, 189164), (456, 179208), (513, 159296), (524, 155952), (576, 141873), (608, 134406), (684, 119472), (722, 113184), (786, 103968), (864, 94582), (912, 89604), (1026, 79648), (1048, 77976), (1083, 75456), (1179, 69312), (1216, 67203), (1368, 59736), (1444, 56592), (1572, 51984), (1728, 47291), (1824, 44802), (2052, 39824), (2096, 38988), (2166, 37728), (2358, 34656), (2489, 32832), (2736, 29868), (2888, 28296), (3144, 25992), (3249, 25152), (3537, 23104), (3648, 22401), (4104, 19912), (4192, 19494), (4332, 18864), (4716, 17328), (4978, 16416), (5472, 14934), (5776, 14148), (6288, 12996), (6498, 12576), (7074, 11552), (7467, 10944), (8208, 9956), (8384, 9747), (8664, 9432)]