25254540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 77143248

約数和(自身を除く): 51888708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 811, 865, 1038, 1557, 1622, 1730, 2076, 2433, 2595, 3114, 3244, 3460, 4055, 4866, 5190, 6228, 7299, 7785, 8110, 9732, 10380, 12165, 14598, 15570, 16220, 24330, 29196, 31140, 36495, 48660, 72990, 140303, 145980, 280606, 420909, 561212, 701515, 841818, 1262727, 1403030, 1683636, 2104545, 2525454, 2806060, 4209090, 5050908, 6313635, 8418180, 12627270, 25254540]

約数ペア:

[(1, 25254540), (2, 12627270), (3, 8418180), (4, 6313635), (5, 5050908), (6, 4209090), (9, 2806060), (10, 2525454), (12, 2104545), (15, 1683636), (18, 1403030), (20, 1262727), (30, 841818), (36, 701515), (45, 561212), (60, 420909), (90, 280606), (173, 145980), (180, 140303), (346, 72990), (519, 48660), (692, 36495), (811, 31140), (865, 29196), (1038, 24330), (1557, 16220), (1622, 15570), (1730, 14598), (2076, 12165), (2433, 10380), (2595, 9732), (3114, 8110), (3244, 7785), (3460, 7299), (4055, 6228), (4866, 5190)]