66955440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278981}}^1$

素因数の和:278997

約数の個数: 40

約数和(自身を含む): 207562608

約数和(自身を除く): 140607168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278981, 557962, 836943, 1115924, 1394905, 1673886, 2231848, 2789810, 3347772, 4184715, 4463696, 5579620, 6695544, 8369430, 11159240, 13391088, 16738860, 22318480, 33477720, 66955440]

約数ペア:

[(1, 66955440), (2, 33477720), (3, 22318480), (4, 16738860), (5, 13391088), (6, 11159240), (8, 8369430), (10, 6695544), (12, 5579620), (15, 4463696), (16, 4184715), (20, 3347772), (24, 2789810), (30, 2231848), (40, 1673886), (48, 1394905), (60, 1115924), (80, 836943), (120, 557962), (240, 278981)]