61913120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8999}}^1$

素因数の和:9057

約数の個数: 48

約数和(自身を含む): 149688000

約数和(自身を除く): 87774880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 8999, 17998, 35996, 44995, 71992, 89990, 143984, 179980, 287968, 359960, 386957, 719920, 773914, 1439840, 1547828, 1934785, 3095656, 3869570, 6191312, 7739140, 12382624, 15478280, 30956560, 61913120]

約数ペア:

[(1, 61913120), (2, 30956560), (4, 15478280), (5, 12382624), (8, 7739140), (10, 6191312), (16, 3869570), (20, 3095656), (32, 1934785), (40, 1547828), (43, 1439840), (80, 773914), (86, 719920), (160, 386957), (172, 359960), (215, 287968), (344, 179980), (430, 143984), (688, 89990), (860, 71992), (1376, 44995), (1720, 35996), (3440, 17998), (6880, 8999)]