1981562112

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 216

約数和(自身を含む): 6045661440

約数和(自身を除く): 4064099328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 47, 48, 58, 64, 72, 87, 94, 96, 116, 128, 141, 144, 174, 188, 192, 232, 256, 261, 282, 288, 348, 376, 384, 423, 464, 522, 564, 576, 631, 696, 752, 768, 846, 928, 1044, 1128, 1152, 1262, 1363, 1392, 1504, 1692, 1856, 1893, 2088, 2256, 2304, 2524, 2726, 2784, 3008, 3384, 3712, 3786, 4089, 4176, 4512, 5048, 5452, 5568, 5679, 6016, 6768, 7424, 7572, 8178, 8352, 9024, 10096, 10904, 11136, 11358, 12032, 12267, 13536, 15144, 16356, 16704, 18048, 18299, 20192, 21808, 22272, 22716, 24534, 27072, 29657, 30288, 32712, 33408, 36096, 36598, 40384, 43616, 45432, 49068, 54144, 54897, 59314, 60576, 65424, 66816, 73196, 80768, 87232, 88971, 90864, 98136, 108288, 109794, 118628, 121152, 130848, 146392, 161536, 164691, 174464, 177942, 181728, 196272, 219588, 237256, 242304, 261696, 266913, 292784, 329382, 348928, 355884, 363456, 392544, 439176, 474512, 484608, 523392, 533826, 585568, 658764, 711768, 726912, 785088, 860053, 878352, 949024, 1046784, 1067652, 1171136, 1317528, 1423536, 1453824, 1570176, 1720106, 1756704, 1898048, 2135304, 2342272, 2580159, 2635056, 2847072, 3140352, 3440212, 3513408, 3796096, 4270608, 4684544, 5160318, 5270112, 5694144, 6880424, 7026816, 7592192, 7740477, 8541216, 10320636, 10540224, 11388288, 13760848, 14053632, 15480954, 17082432, 20641272, 21080448, 22776576, 27521696, 30961908, 34164864, 41282544, 42160896, 55043392, 61923816, 68329728, 82565088, 110086784, 123847632, 165130176, 220173568, 247695264, 330260352, 495390528, 660520704, 990781056, 1981562112]

約数ペア:

[(1, 1981562112), (2, 990781056), (3, 660520704), (4, 495390528), (6, 330260352), (8, 247695264), (9, 220173568), (12, 165130176), (16, 123847632), (18, 110086784), (24, 82565088), (29, 68329728), (32, 61923816), (36, 55043392), (47, 42160896), (48, 41282544), (58, 34164864), (64, 30961908), (72, 27521696), (87, 22776576), (94, 21080448), (96, 20641272), (116, 17082432), (128, 15480954), (141, 14053632), (144, 13760848), (174, 11388288), (188, 10540224), (192, 10320636), (232, 8541216), (256, 7740477), (261, 7592192), (282, 7026816), (288, 6880424), (348, 5694144), (376, 5270112), (384, 5160318), (423, 4684544), (464, 4270608), (522, 3796096), (564, 3513408), (576, 3440212), (631, 3140352), (696, 2847072), (752, 2635056), (768, 2580159), (846, 2342272), (928, 2135304), (1044, 1898048), (1128, 1756704), (1152, 1720106), (1262, 1570176), (1363, 1453824), (1392, 1423536), (1504, 1317528), (1692, 1171136), (1856, 1067652), (1893, 1046784), (2088, 949024), (2256, 878352), (2304, 860053), (2524, 785088), (2726, 726912), (2784, 711768), (3008, 658764), (3384, 585568), (3712, 533826), (3786, 523392), (4089, 484608), (4176, 474512), (4512, 439176), (5048, 392544), (5452, 363456), (5568, 355884), (5679, 348928), (6016, 329382), (6768, 292784), (7424, 266913), (7572, 261696), (8178, 242304), (8352, 237256), (9024, 219588), (10096, 196272), (10904, 181728), (11136, 177942), (11358, 174464), (12032, 164691), (12267, 161536), (13536, 146392), (15144, 130848), (16356, 121152), (16704, 118628), (18048, 109794), (18299, 108288), (20192, 98136), (21808, 90864), (22272, 88971), (22716, 87232), (24534, 80768), (27072, 73196), (29657, 66816), (30288, 65424), (32712, 60576), (33408, 59314), (36096, 54897), (36598, 54144), (40384, 49068), (43616, 45432)]