2012120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 5248800

約数和(自身を除く): 3236680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 269, 340, 374, 440, 538, 680, 748, 935, 1076, 1345, 1496, 1870, 2152, 2690, 2959, 3740, 4573, 5380, 5918, 7480, 9146, 10760, 11836, 14795, 18292, 22865, 23672, 29590, 36584, 45730, 50303, 59180, 91460, 100606, 118360, 182920, 201212, 251515, 402424, 503030, 1006060, 2012120]

約数ペア:

[(1, 2012120), (2, 1006060), (4, 503030), (5, 402424), (8, 251515), (10, 201212), (11, 182920), (17, 118360), (20, 100606), (22, 91460), (34, 59180), (40, 50303), (44, 45730), (55, 36584), (68, 29590), (85, 23672), (88, 22865), (110, 18292), (136, 14795), (170, 11836), (187, 10760), (220, 9146), (269, 7480), (340, 5918), (374, 5380), (440, 4573), (538, 3740), (680, 2959), (748, 2690), (935, 2152), (1076, 1870), (1345, 1496)]