12480580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 30159360

約数和(自身を除く): 17678780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 373, 478, 746, 956, 1195, 1492, 1673, 1865, 2390, 2611, 3346, 3730, 4780, 5222, 6692, 7460, 8365, 10444, 13055, 16730, 26110, 33460, 52220, 89147, 178294, 356588, 445735, 624029, 891470, 1248058, 1782940, 2496116, 3120145, 6240290, 12480580]

約数ペア:

[(1, 12480580), (2, 6240290), (4, 3120145), (5, 2496116), (7, 1782940), (10, 1248058), (14, 891470), (20, 624029), (28, 445735), (35, 356588), (70, 178294), (140, 89147), (239, 52220), (373, 33460), (478, 26110), (746, 16730), (956, 13055), (1195, 10444), (1492, 8365), (1673, 7460), (1865, 6692), (2390, 5222), (2611, 4780), (3346, 3730)]