1535980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 3281040

約数和(自身を除く): 1745060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1259, 2518, 5036, 6295, 12590, 25180, 76799, 153598, 307196, 383995, 767990, 1535980]

約数ペア:

[(1, 1535980), (2, 767990), (4, 383995), (5, 307196), (10, 153598), (20, 76799), (61, 25180), (122, 12590), (244, 6295), (305, 5036), (610, 2518), (1220, 1259)]