71743840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9151}}^1$

素因数の和:9180

約数の個数: 72

約数和(自身を含む): 197188992

約数和(自身を除く): 125445152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9151, 18302, 36604, 45755, 64057, 73208, 91510, 128114, 146416, 183020, 256228, 292832, 320285, 366040, 448399, 512456, 640570, 732080, 896798, 1024912, 1281140, 1464160, 1793596, 2049824, 2241995, 2562280, 3587192, 4483990, 5124560, 7174384, 8967980, 10249120, 14348768, 17935960, 35871920, 71743840]

約数ペア:

[(1, 71743840), (2, 35871920), (4, 17935960), (5, 14348768), (7, 10249120), (8, 8967980), (10, 7174384), (14, 5124560), (16, 4483990), (20, 3587192), (28, 2562280), (32, 2241995), (35, 2049824), (40, 1793596), (49, 1464160), (56, 1281140), (70, 1024912), (80, 896798), (98, 732080), (112, 640570), (140, 512456), (160, 448399), (196, 366040), (224, 320285), (245, 292832), (280, 256228), (392, 183020), (490, 146416), (560, 128114), (784, 91510), (980, 73208), (1120, 64057), (1568, 45755), (1960, 36604), (3920, 18302), (7840, 9151)]