161234560

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1319}}^1$

素因数の和:1529

約数の個数: 64

約数和(自身を含む): 387763200

約数和(自身を除く): 226528640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 640, 764, 955, 1319, 1528, 1910, 2638, 3056, 3820, 5276, 6112, 6595, 7640, 10552, 12224, 13190, 15280, 21104, 24448, 26380, 30560, 42208, 52760, 61120, 84416, 105520, 122240, 168832, 211040, 251929, 422080, 503858, 844160, 1007716, 1259645, 2015432, 2519290, 4030864, 5038580, 8061728, 10077160, 16123456, 20154320, 32246912, 40308640, 80617280, 161234560]

約数ペア:

[(1, 161234560), (2, 80617280), (4, 40308640), (5, 32246912), (8, 20154320), (10, 16123456), (16, 10077160), (20, 8061728), (32, 5038580), (40, 4030864), (64, 2519290), (80, 2015432), (128, 1259645), (160, 1007716), (191, 844160), (320, 503858), (382, 422080), (640, 251929), (764, 211040), (955, 168832), (1319, 122240), (1528, 105520), (1910, 84416), (2638, 61120), (3056, 52760), (3820, 42208), (5276, 30560), (6112, 26380), (6595, 24448), (7640, 21104), (10552, 15280), (12224, 13190)]