120252760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 278419680

約数和(自身を除く): 158166920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 262, 265, 424, 433, 524, 530, 655, 866, 1048, 1060, 1310, 1732, 2120, 2165, 2620, 3464, 4330, 5240, 6943, 8660, 13886, 17320, 22949, 27772, 34715, 45898, 55544, 56723, 69430, 91796, 113446, 114745, 138860, 183592, 226892, 229490, 277720, 283615, 453784, 458980, 567230, 917960, 1134460, 2268920, 3006319, 6012638, 12025276, 15031595, 24050552, 30063190, 60126380, 120252760]

約数ペア:

[(1, 120252760), (2, 60126380), (4, 30063190), (5, 24050552), (8, 15031595), (10, 12025276), (20, 6012638), (40, 3006319), (53, 2268920), (106, 1134460), (131, 917960), (212, 567230), (262, 458980), (265, 453784), (424, 283615), (433, 277720), (524, 229490), (530, 226892), (655, 183592), (866, 138860), (1048, 114745), (1060, 113446), (1310, 91796), (1732, 69430), (2120, 56723), (2165, 55544), (2620, 45898), (3464, 34715), (4330, 27772), (5240, 22949), (6943, 17320), (8660, 13886)]