64578080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8237}}^1$

素因数の和:8266

約数の個数: 72

約数和(自身を含む): 177495948

約数和(自身を除く): 112917868

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, 8237, 16474, 32948, 41185, 57659, 65896, 82370, 115318, 131792, 164740, 230636, 263584, 288295, 329480, 403613, 461272, 576590, 658960, 807226, 922544, 1153180, 1317920, 1614452, 1845088, 2018065, 2306360, 3228904, 4036130, 4612720, 6457808, 8072260, 9225440, 12915616, 16144520, 32289040, 64578080]

約数ペア:

[(1, 64578080), (2, 32289040), (4, 16144520), (5, 12915616), (7, 9225440), (8, 8072260), (10, 6457808), (14, 4612720), (16, 4036130), (20, 3228904), (28, 2306360), (32, 2018065), (35, 1845088), (40, 1614452), (49, 1317920), (56, 1153180), (70, 922544), (80, 807226), (98, 658960), (112, 576590), (140, 461272), (160, 403613), (196, 329480), (224, 288295), (245, 263584), (280, 230636), (392, 164740), (490, 131792), (560, 115318), (784, 82370), (980, 65896), (1120, 57659), (1568, 41185), (1960, 32948), (3920, 16474), (7840, 8237)]