68736640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 191433600

約数和(自身を除く): 122696960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 229, 268, 280, 320, 335, 448, 458, 469, 536, 560, 640, 670, 896, 916, 938, 1072, 1120, 1145, 1340, 1603, 1832, 1876, 2144, 2240, 2290, 2345, 2680, 3206, 3664, 3752, 4288, 4480, 4580, 4690, 5360, 6412, 7328, 7504, 8015, 8576, 9160, 9380, 10720, 12824, 14656, 15008, 15343, 16030, 18320, 18760, 21440, 25648, 29312, 30016, 30686, 32060, 36640, 37520, 42880, 51296, 60032, 61372, 64120, 73280, 75040, 76715, 102592, 107401, 122744, 128240, 146560, 150080, 153430, 205184, 214802, 245488, 256480, 300160, 306860, 429604, 490976, 512960, 537005, 613720, 859208, 981952, 1025920, 1074010, 1227440, 1718416, 1963904, 2148020, 2454880, 3436832, 4296040, 4909760, 6873664, 8592080, 9819520, 13747328, 17184160, 34368320, 68736640]

約数ペア:

[(1, 68736640), (2, 34368320), (4, 17184160), (5, 13747328), (7, 9819520), (8, 8592080), (10, 6873664), (14, 4909760), (16, 4296040), (20, 3436832), (28, 2454880), (32, 2148020), (35, 1963904), (40, 1718416), (56, 1227440), (64, 1074010), (67, 1025920), (70, 981952), (80, 859208), (112, 613720), (128, 537005), (134, 512960), (140, 490976), (160, 429604), (224, 306860), (229, 300160), (268, 256480), (280, 245488), (320, 214802), (335, 205184), (448, 153430), (458, 150080), (469, 146560), (536, 128240), (560, 122744), (640, 107401), (670, 102592), (896, 76715), (916, 75040), (938, 73280), (1072, 64120), (1120, 61372), (1145, 60032), (1340, 51296), (1603, 42880), (1832, 37520), (1876, 36640), (2144, 32060), (2240, 30686), (2290, 30016), (2345, 29312), (2680, 25648), (3206, 21440), (3664, 18760), (3752, 18320), (4288, 16030), (4480, 15343), (4580, 15008), (4690, 14656), (5360, 12824), (6412, 10720), (7328, 9380), (7504, 9160), (8015, 8576)]