1155980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1747060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 359, 460, 644, 718, 805, 1436, 1610, 1795, 2513, 3220, 3590, 5026, 7180, 8257, 10052, 12565, 16514, 25130, 33028, 41285, 50260, 57799, 82570, 115598, 165140, 231196, 288995, 577990, 1155980]

約数ペア:

[(1, 1155980), (2, 577990), (4, 288995), (5, 231196), (7, 165140), (10, 115598), (14, 82570), (20, 57799), (23, 50260), (28, 41285), (35, 33028), (46, 25130), (70, 16514), (92, 12565), (115, 10052), (140, 8257), (161, 7180), (230, 5026), (322, 3590), (359, 3220), (460, 2513), (644, 1795), (718, 1610), (805, 1436)]