55172460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131363}}^1$

素因数の和:131382

約数の個数: 48

約数和(自身を含む): 176553216

約数和(自身を除く): 121380756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 131363, 262726, 394089, 525452, 656815, 788178, 919541, 1313630, 1576356, 1839082, 1970445, 2627260, 2758623, 3678164, 3940890, 4597705, 5517246, 7881780, 9195410, 11034492, 13793115, 18390820, 27586230, 55172460]

約数ペア:

[(1, 55172460), (2, 27586230), (3, 18390820), (4, 13793115), (5, 11034492), (6, 9195410), (7, 7881780), (10, 5517246), (12, 4597705), (14, 3940890), (15, 3678164), (20, 2758623), (21, 2627260), (28, 1970445), (30, 1839082), (35, 1576356), (42, 1313630), (60, 919541), (70, 788178), (84, 656815), (105, 525452), (140, 394089), (210, 262726), (420, 131363)]