61005980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8893}}^1$

素因数の和:8923

約数の個数: 48

約数和(自身を含む): 149419200

約数和(自身を除く): 88413220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8893, 17786, 35572, 44465, 62251, 88930, 124502, 177860, 249004, 311255, 435757, 622510, 871514, 1245020, 1743028, 2178785, 3050299, 4357570, 6100598, 8715140, 12201196, 15251495, 30502990, 61005980]

約数ペア:

[(1, 61005980), (2, 30502990), (4, 15251495), (5, 12201196), (7, 8715140), (10, 6100598), (14, 4357570), (20, 3050299), (28, 2178785), (35, 1743028), (49, 1245020), (70, 871514), (98, 622510), (140, 435757), (196, 311255), (245, 249004), (343, 177860), (490, 124502), (686, 88930), (980, 62251), (1372, 44465), (1715, 35572), (3430, 17786), (6860, 8893)]