165424840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2999}}^1$

素因数の和:3214

約数の個数: 64

約数和(自身を含む): 427680000

約数和(自身を除く): 262255160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 2999, 3940, 5516, 5998, 6895, 7880, 11032, 11996, 13790, 14995, 20993, 23992, 27580, 29990, 41986, 55160, 59980, 83972, 104965, 119960, 167944, 209930, 419860, 590803, 839720, 1181606, 2363212, 2954015, 4135621, 4726424, 5908030, 8271242, 11816060, 16542484, 20678105, 23632120, 33084968, 41356210, 82712420, 165424840]

約数ペア:

[(1, 165424840), (2, 82712420), (4, 41356210), (5, 33084968), (7, 23632120), (8, 20678105), (10, 16542484), (14, 11816060), (20, 8271242), (28, 5908030), (35, 4726424), (40, 4135621), (56, 2954015), (70, 2363212), (140, 1181606), (197, 839720), (280, 590803), (394, 419860), (788, 209930), (985, 167944), (1379, 119960), (1576, 104965), (1970, 83972), (2758, 59980), (2999, 55160), (3940, 41986), (5516, 29990), (5998, 27580), (6895, 23992), (7880, 20993), (11032, 14995), (11996, 13790)]