81851904

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 251412480

約数和(自身を除く): 169560576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 191, 192, 216, 248, 256, 279, 288, 372, 382, 384, 432, 496, 512, 558, 573, 576, 744, 764, 768, 837, 864, 992, 1116, 1146, 1152, 1488, 1528, 1536, 1674, 1719, 1728, 1984, 2232, 2292, 2304, 2976, 3056, 3348, 3438, 3456, 3968, 4464, 4584, 4608, 5157, 5921, 5952, 6112, 6696, 6876, 6912, 7936, 8928, 9168, 10314, 11842, 11904, 12224, 13392, 13752, 13824, 15872, 17763, 17856, 18336, 20628, 23684, 23808, 24448, 26784, 27504, 35526, 35712, 36672, 41256, 47368, 47616, 48896, 53289, 53568, 55008, 71052, 71424, 73344, 82512, 94736, 97792, 106578, 107136, 110016, 142104, 142848, 146688, 159867, 165024, 189472, 213156, 214272, 220032, 284208, 293376, 319734, 330048, 378944, 426312, 428544, 440064, 568416, 639468, 660096, 757888, 852624, 880128, 1136832, 1278936, 1320192, 1515776, 1705248, 2273664, 2557872, 2640384, 3031552, 3410496, 4547328, 5115744, 6820992, 9094656, 10231488, 13641984, 20462976, 27283968, 40925952, 81851904]

約数ペア:

[(1, 81851904), (2, 40925952), (3, 27283968), (4, 20462976), (6, 13641984), (8, 10231488), (9, 9094656), (12, 6820992), (16, 5115744), (18, 4547328), (24, 3410496), (27, 3031552), (31, 2640384), (32, 2557872), (36, 2273664), (48, 1705248), (54, 1515776), (62, 1320192), (64, 1278936), (72, 1136832), (93, 880128), (96, 852624), (108, 757888), (124, 660096), (128, 639468), (144, 568416), (186, 440064), (191, 428544), (192, 426312), (216, 378944), (248, 330048), (256, 319734), (279, 293376), (288, 284208), (372, 220032), (382, 214272), (384, 213156), (432, 189472), (496, 165024), (512, 159867), (558, 146688), (573, 142848), (576, 142104), (744, 110016), (764, 107136), (768, 106578), (837, 97792), (864, 94736), (992, 82512), (1116, 73344), (1146, 71424), (1152, 71052), (1488, 55008), (1528, 53568), (1536, 53289), (1674, 48896), (1719, 47616), (1728, 47368), (1984, 41256), (2232, 36672), (2292, 35712), (2304, 35526), (2976, 27504), (3056, 26784), (3348, 24448), (3438, 23808), (3456, 23684), (3968, 20628), (4464, 18336), (4584, 17856), (4608, 17763), (5157, 15872), (5921, 13824), (5952, 13752), (6112, 13392), (6696, 12224), (6876, 11904), (6912, 11842), (7936, 10314), (8928, 9168)]