1688481984

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{25639}}^1$

素因数の和:25675

約数の個数: 112

約数和(自身を含む): 5210048000

約数和(自身を除く): 3521566016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 343, 392, 448, 588, 672, 686, 784, 1029, 1176, 1344, 1372, 1568, 2058, 2352, 2744, 3136, 4116, 4704, 5488, 8232, 9408, 10976, 16464, 21952, 25639, 32928, 51278, 65856, 76917, 102556, 153834, 179473, 205112, 307668, 358946, 410224, 538419, 615336, 717892, 820448, 1076838, 1230672, 1256311, 1435784, 1640896, 2153676, 2461344, 2512622, 2871568, 3768933, 4307352, 4922688, 5025244, 5743136, 7537866, 8614704, 8794177, 10050488, 11486272, 15075732, 17229408, 17588354, 20100976, 26382531, 30151464, 34458816, 35176708, 40201952, 52765062, 60302928, 70353416, 80403904, 105530124, 120605856, 140706832, 211060248, 241211712, 281413664, 422120496, 562827328, 844240992, 1688481984]

約数ペア:

[(1, 1688481984), (2, 844240992), (3, 562827328), (4, 422120496), (6, 281413664), (7, 241211712), (8, 211060248), (12, 140706832), (14, 120605856), (16, 105530124), (21, 80403904), (24, 70353416), (28, 60302928), (32, 52765062), (42, 40201952), (48, 35176708), (49, 34458816), (56, 30151464), (64, 26382531), (84, 20100976), (96, 17588354), (98, 17229408), (112, 15075732), (147, 11486272), (168, 10050488), (192, 8794177), (196, 8614704), (224, 7537866), (294, 5743136), (336, 5025244), (343, 4922688), (392, 4307352), (448, 3768933), (588, 2871568), (672, 2512622), (686, 2461344), (784, 2153676), (1029, 1640896), (1176, 1435784), (1344, 1256311), (1372, 1230672), (1568, 1076838), (2058, 820448), (2352, 717892), (2744, 615336), (3136, 538419), (4116, 410224), (4704, 358946), (5488, 307668), (8232, 205112), (9408, 179473), (10976, 153834), (16464, 102556), (21952, 76917), (25639, 65856), (32928, 51278)]