61309780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 151999848

約数和(自身を除く): 90690068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 857, 980, 1022, 1460, 1714, 2044, 2555, 3428, 3577, 4285, 5110, 5999, 7154, 8570, 10220, 11998, 14308, 17140, 17885, 23996, 29995, 35770, 41993, 59990, 62561, 71540, 83986, 119980, 125122, 167972, 209965, 250244, 312805, 419930, 437927, 625610, 839860, 875854, 1251220, 1751708, 2189635, 3065489, 4379270, 6130978, 8758540, 12261956, 15327445, 30654890, 61309780]

約数ペア:

[(1, 61309780), (2, 30654890), (4, 15327445), (5, 12261956), (7, 8758540), (10, 6130978), (14, 4379270), (20, 3065489), (28, 2189635), (35, 1751708), (49, 1251220), (70, 875854), (73, 839860), (98, 625610), (140, 437927), (146, 419930), (196, 312805), (245, 250244), (292, 209965), (365, 167972), (490, 125122), (511, 119980), (730, 83986), (857, 71540), (980, 62561), (1022, 59990), (1460, 41993), (1714, 35770), (2044, 29995), (2555, 23996), (3428, 17885), (3577, 17140), (4285, 14308), (5110, 11998), (5999, 10220), (7154, 8570)]