30079720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 74520000

約数和(自身を除く): 44440280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 499, 548, 685, 998, 1096, 1370, 1507, 1996, 2495, 2740, 3014, 3992, 4990, 5480, 5489, 6028, 7535, 9980, 10978, 12056, 15070, 19960, 21956, 27445, 30140, 43912, 54890, 60280, 68363, 109780, 136726, 219560, 273452, 341815, 546904, 683630, 751993, 1367260, 1503986, 2734520, 3007972, 3759965, 6015944, 7519930, 15039860, 30079720]

約数ペア:

[(1, 30079720), (2, 15039860), (4, 7519930), (5, 6015944), (8, 3759965), (10, 3007972), (11, 2734520), (20, 1503986), (22, 1367260), (40, 751993), (44, 683630), (55, 546904), (88, 341815), (110, 273452), (137, 219560), (220, 136726), (274, 109780), (440, 68363), (499, 60280), (548, 54890), (685, 43912), (998, 30140), (1096, 27445), (1370, 21956), (1507, 19960), (1996, 15070), (2495, 12056), (2740, 10978), (3014, 9980), (3992, 7535), (4990, 6028), (5480, 5489)]