213157020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82619}}^1$

素因数の和:82674

約数の個数: 48

約数和(自身を含む): 610727040

約数和(自身を除く): 397570020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 82619, 165238, 247857, 330476, 413095, 495714, 826190, 991428, 1239285, 1652380, 2478570, 3552617, 4957140, 7105234, 10657851, 14210468, 17763085, 21315702, 35526170, 42631404, 53289255, 71052340, 106578510, 213157020]

約数ペア:

[(1, 213157020), (2, 106578510), (3, 71052340), (4, 53289255), (5, 42631404), (6, 35526170), (10, 21315702), (12, 17763085), (15, 14210468), (20, 10657851), (30, 7105234), (43, 4957140), (60, 3552617), (86, 2478570), (129, 1652380), (172, 1239285), (215, 991428), (258, 826190), (430, 495714), (516, 413095), (645, 330476), (860, 247857), (1290, 165238), (2580, 82619)]