64149820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 159210576

約数和(自身を除く): 95060756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 977, 980, 1340, 1876, 1954, 2345, 3283, 3908, 4690, 4885, 6566, 6839, 9380, 9770, 13132, 13678, 16415, 19540, 27356, 32830, 34195, 47873, 65459, 65660, 68390, 95746, 130918, 136780, 191492, 239365, 261836, 327295, 458213, 478730, 654590, 916426, 957460, 1309180, 1832852, 2291065, 3207491, 4582130, 6414982, 9164260, 12829964, 16037455, 32074910, 64149820]

約数ペア:

[(1, 64149820), (2, 32074910), (4, 16037455), (5, 12829964), (7, 9164260), (10, 6414982), (14, 4582130), (20, 3207491), (28, 2291065), (35, 1832852), (49, 1309180), (67, 957460), (70, 916426), (98, 654590), (134, 478730), (140, 458213), (196, 327295), (245, 261836), (268, 239365), (335, 191492), (469, 136780), (490, 130918), (670, 95746), (938, 68390), (977, 65660), (980, 65459), (1340, 47873), (1876, 34195), (1954, 32830), (2345, 27356), (3283, 19540), (3908, 16415), (4690, 13678), (4885, 13132), (6566, 9770), (6839, 9380)]