21761760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45337}}^1$

素因数の和:45355

約数の個数: 48

約数和(自身を含む): 68551056

約数和(自身を除く): 46789296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45337, 90674, 136011, 181348, 226685, 272022, 362696, 453370, 544044, 680055, 725392, 906740, 1088088, 1360110, 1450784, 1813480, 2176176, 2720220, 3626960, 4352352, 5440440, 7253920, 10880880, 21761760]

約数ペア:

[(1, 21761760), (2, 10880880), (3, 7253920), (4, 5440440), (5, 4352352), (6, 3626960), (8, 2720220), (10, 2176176), (12, 1813480), (15, 1450784), (16, 1360110), (20, 1088088), (24, 906740), (30, 725392), (32, 680055), (40, 544044), (48, 453370), (60, 362696), (80, 272022), (96, 226685), (120, 181348), (160, 136011), (240, 90674), (480, 45337)]