1720164145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 2587852800

約数和(自身を除く): 867688655

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 191, 203, 467, 551, 665, 955, 1015, 1337, 2335, 2755, 3269, 3629, 3857, 5539, 6685, 8873, 13543, 16345, 18145, 19285, 25403, 27695, 38773, 44365, 62111, 67715, 89197, 94801, 105241, 127015, 193865, 257317, 310555, 445985, 474005, 526205, 624379, 736687, 1286585, 1694743, 1801219, 2586713, 3121895, 3683435, 8473715, 9006095, 11863201, 12933565, 18106991, 49147547, 59316005, 90534955, 245737735, 344032829, 1720164145]

約数ペア:

[(1, 1720164145), (5, 344032829), (7, 245737735), (19, 90534955), (29, 59316005), (35, 49147547), (95, 18106991), (133, 12933565), (145, 11863201), (191, 9006095), (203, 8473715), (467, 3683435), (551, 3121895), (665, 2586713), (955, 1801219), (1015, 1694743), (1337, 1286585), (2335, 736687), (2755, 624379), (3269, 526205), (3629, 474005), (3857, 445985), (5539, 310555), (6685, 257317), (8873, 193865), (13543, 127015), (16345, 105241), (18145, 94801), (19285, 89197), (25403, 67715), (27695, 62111), (38773, 44365)]