68990208

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 215650176

約数和(自身を除く): 146659968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 128, 164, 168, 192, 224, 246, 256, 287, 313, 328, 336, 384, 448, 492, 574, 626, 656, 672, 768, 861, 896, 939, 984, 1148, 1252, 1312, 1344, 1722, 1792, 1878, 1968, 2191, 2296, 2504, 2624, 2688, 3444, 3756, 3936, 4382, 4592, 5008, 5248, 5376, 6573, 6888, 7512, 7872, 8764, 9184, 10016, 10496, 12833, 13146, 13776, 15024, 15744, 17528, 18368, 20032, 25666, 26292, 27552, 30048, 31488, 35056, 36736, 38499, 40064, 51332, 52584, 55104, 60096, 70112, 73472, 76998, 80128, 89831, 102664, 105168, 110208, 120192, 140224, 153996, 179662, 205328, 210336, 220416, 240384, 269493, 280448, 307992, 359324, 410656, 420672, 538986, 560896, 615984, 718648, 821312, 841344, 1077972, 1231968, 1437296, 1642624, 1682688, 2155944, 2463936, 2874592, 3285248, 4311888, 4927872, 5749184, 8623776, 9855744, 11498368, 17247552, 22996736, 34495104, 68990208]

約数ペア:

[(1, 68990208), (2, 34495104), (3, 22996736), (4, 17247552), (6, 11498368), (7, 9855744), (8, 8623776), (12, 5749184), (14, 4927872), (16, 4311888), (21, 3285248), (24, 2874592), (28, 2463936), (32, 2155944), (41, 1682688), (42, 1642624), (48, 1437296), (56, 1231968), (64, 1077972), (82, 841344), (84, 821312), (96, 718648), (112, 615984), (123, 560896), (128, 538986), (164, 420672), (168, 410656), (192, 359324), (224, 307992), (246, 280448), (256, 269493), (287, 240384), (313, 220416), (328, 210336), (336, 205328), (384, 179662), (448, 153996), (492, 140224), (574, 120192), (626, 110208), (656, 105168), (672, 102664), (768, 89831), (861, 80128), (896, 76998), (939, 73472), (984, 70112), (1148, 60096), (1252, 55104), (1312, 52584), (1344, 51332), (1722, 40064), (1792, 38499), (1878, 36736), (1968, 35056), (2191, 31488), (2296, 30048), (2504, 27552), (2624, 26292), (2688, 25666), (3444, 20032), (3756, 18368), (3936, 17528), (4382, 15744), (4592, 15024), (5008, 13776), (5248, 13146), (5376, 12833), (6573, 10496), (6888, 10016), (7512, 9184), (7872, 8764)]