30709760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2999}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 73710000

約数和(自身を除く): 43000240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 2999, 5120, 5998, 10240, 11996, 14995, 23992, 29990, 47984, 59980, 95968, 119960, 191936, 239920, 383872, 479840, 767744, 959680, 1535488, 1919360, 3070976, 3838720, 6141952, 7677440, 15354880, 30709760]

約数ペア:

[(1, 30709760), (2, 15354880), (4, 7677440), (5, 6141952), (8, 3838720), (10, 3070976), (16, 1919360), (20, 1535488), (32, 959680), (40, 767744), (64, 479840), (80, 383872), (128, 239920), (160, 191936), (256, 119960), (320, 95968), (512, 59980), (640, 47984), (1024, 29990), (1280, 23992), (2048, 14995), (2560, 11996), (2999, 10240), (5120, 5998)]