30719580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26947}}^1$

素因数の和:26978

約数の個数: 48

約数和(自身を含む): 90545280

約数和(自身を除く): 59825700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 26947, 53894, 80841, 107788, 134735, 161682, 269470, 323364, 404205, 511993, 538940, 808410, 1023986, 1535979, 1616820, 2047972, 2559965, 3071958, 5119930, 6143916, 7679895, 10239860, 15359790, 30719580]

約数ペア:

[(1, 30719580), (2, 15359790), (3, 10239860), (4, 7679895), (5, 6143916), (6, 5119930), (10, 3071958), (12, 2559965), (15, 2047972), (19, 1616820), (20, 1535979), (30, 1023986), (38, 808410), (57, 538940), (60, 511993), (76, 404205), (95, 323364), (114, 269470), (190, 161682), (228, 134735), (285, 107788), (380, 80841), (570, 53894), (1140, 26947)]