1243511504240

素因数分解:

$2^4\times 5^1\times {\mathrm{64157}}^1\times {\mathrm{242279}}^1$

素因数の和:306449

約数の個数: 40

約数和(自身を含む): 2891221244640

約数和(自身を除く): 1647709740400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64157, 128314, 242279, 256628, 320785, 484558, 513256, 641570, 969116, 1026512, 1211395, 1283140, 1938232, 2422790, 2566280, 3876464, 4845580, 5132560, 9691160, 19382320, 15543893803, 31087787606, 62175575212, 77719469015, 124351150424, 155438938030, 248702300848, 310877876060, 621755752120, 1243511504240]

約数ペア:

[(1, 1243511504240), (2, 621755752120), (4, 310877876060), (5, 248702300848), (8, 155438938030), (10, 124351150424), (16, 77719469015), (20, 62175575212), (40, 31087787606), (80, 15543893803), (64157, 19382320), (128314, 9691160), (242279, 5132560), (256628, 4845580), (320785, 3876464), (484558, 2566280), (513256, 2422790), (641570, 1938232), (969116, 1283140), (1026512, 1211395)]