30564760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^2$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 71444160

約数和(自身を除く): 40879400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 24335, 24649, 38936, 48670, 49298, 97340, 98596, 123245, 194680, 197192, 246490, 492980, 764119, 985960, 1528238, 3056476, 3820595, 6112952, 7641190, 15282380, 30564760]

約数ペア:

[(1, 30564760), (2, 15282380), (4, 7641190), (5, 6112952), (8, 3820595), (10, 3056476), (20, 1528238), (31, 985960), (40, 764119), (62, 492980), (124, 246490), (155, 197192), (157, 194680), (248, 123245), (310, 98596), (314, 97340), (620, 49298), (628, 48670), (785, 38936), (1240, 24649), (1256, 24335), (1570, 19468), (3140, 9734), (4867, 6280)]