15640140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 43964928

約数和(自身を除く): 28324788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 563, 926, 1126, 1389, 1689, 1852, 2252, 2315, 2778, 2815, 3378, 4630, 5556, 5630, 6756, 6945, 8445, 9260, 11260, 13890, 16890, 27780, 33780, 260669, 521338, 782007, 1042676, 1303345, 1564014, 2606690, 3128028, 3910035, 5213380, 7820070, 15640140]

約数ペア:

[(1, 15640140), (2, 7820070), (3, 5213380), (4, 3910035), (5, 3128028), (6, 2606690), (10, 1564014), (12, 1303345), (15, 1042676), (20, 782007), (30, 521338), (60, 260669), (463, 33780), (563, 27780), (926, 16890), (1126, 13890), (1389, 11260), (1689, 9260), (1852, 8445), (2252, 6945), (2315, 6756), (2778, 5630), (2815, 5556), (3378, 4630)]