1813280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 4898880

約数和(自身を除く): 3085600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1619, 3238, 6476, 8095, 11333, 12952, 16190, 22666, 25904, 32380, 45332, 51808, 56665, 64760, 90664, 113330, 129520, 181328, 226660, 259040, 362656, 453320, 906640, 1813280]

約数ペア:

[(1, 1813280), (2, 906640), (4, 453320), (5, 362656), (7, 259040), (8, 226660), (10, 181328), (14, 129520), (16, 113330), (20, 90664), (28, 64760), (32, 56665), (35, 51808), (40, 45332), (56, 32380), (70, 25904), (80, 22666), (112, 16190), (140, 12952), (160, 11333), (224, 8095), (280, 6476), (560, 3238), (1120, 1619)]