85181320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2791}}^1$

素因数の和:2918

約数の個数: 64

約数和(自身を含む): 221126400

約数和(自身を除く): 135945080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2791, 3052, 3815, 4360, 5582, 6104, 7630, 11164, 13955, 15260, 19537, 22328, 27910, 30520, 39074, 55820, 78148, 97685, 111640, 156296, 195370, 304219, 390740, 608438, 781480, 1216876, 1521095, 2129533, 2433752, 3042190, 4259066, 6084380, 8518132, 10647665, 12168760, 17036264, 21295330, 42590660, 85181320]

約数ペア:

[(1, 85181320), (2, 42590660), (4, 21295330), (5, 17036264), (7, 12168760), (8, 10647665), (10, 8518132), (14, 6084380), (20, 4259066), (28, 3042190), (35, 2433752), (40, 2129533), (56, 1521095), (70, 1216876), (109, 781480), (140, 608438), (218, 390740), (280, 304219), (436, 195370), (545, 156296), (763, 111640), (872, 97685), (1090, 78148), (1526, 55820), (2180, 39074), (2791, 30520), (3052, 27910), (3815, 22328), (4360, 19537), (5582, 15260), (6104, 13955), (7630, 11164)]