12878808720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53661703}}^1$

素因数の和:53661719

約数の個数: 40

約数和(自身を含む): 39924307776

約数和(自身を除く): 27045499056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 53661703, 107323406, 160985109, 214646812, 268308515, 321970218, 429293624, 536617030, 643940436, 804925545, 858587248, 1073234060, 1287880872, 1609851090, 2146468120, 2575761744, 3219702180, 4292936240, 6439404360, 12878808720]

約数ペア:

[(1, 12878808720), (2, 6439404360), (3, 4292936240), (4, 3219702180), (5, 2575761744), (6, 2146468120), (8, 1609851090), (10, 1287880872), (12, 1073234060), (15, 858587248), (16, 804925545), (20, 643940436), (24, 536617030), (30, 429293624), (40, 321970218), (48, 268308515), (60, 214646812), (80, 160985109), (120, 107323406), (240, 53661703)]