255561320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12503}}^1$

素因数の和:12594

約数の個数: 64

約数和(自身を含む): 666213120

約数和(自身を除く): 410651800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 12503, 20440, 25006, 50012, 62515, 87521, 100024, 125030, 175042, 250060, 350084, 437605, 500120, 700168, 875210, 912719, 1750420, 1825438, 3500840, 3650876, 4563595, 6389033, 7301752, 9127190, 12778066, 18254380, 25556132, 31945165, 36508760, 51112264, 63890330, 127780660, 255561320]

約数ペア:

[(1, 255561320), (2, 127780660), (4, 63890330), (5, 51112264), (7, 36508760), (8, 31945165), (10, 25556132), (14, 18254380), (20, 12778066), (28, 9127190), (35, 7301752), (40, 6389033), (56, 4563595), (70, 3650876), (73, 3500840), (140, 1825438), (146, 1750420), (280, 912719), (292, 875210), (365, 700168), (511, 500120), (584, 437605), (730, 350084), (1022, 250060), (1460, 175042), (2044, 125030), (2555, 100024), (2920, 87521), (4088, 62515), (5110, 50012), (10220, 25006), (12503, 20440)]