247970820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179689}}^1$

素因数の和:179724

約数の個数: 48

約数和(自身を含む): 724510080

約数和(自身を除く): 476539260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 179689, 359378, 539067, 718756, 898445, 1078134, 1796890, 2156268, 2695335, 3593780, 4132847, 5390670, 8265694, 10781340, 12398541, 16531388, 20664235, 24797082, 41328470, 49594164, 61992705, 82656940, 123985410, 247970820]

約数ペア:

[(1, 247970820), (2, 123985410), (3, 82656940), (4, 61992705), (5, 49594164), (6, 41328470), (10, 24797082), (12, 20664235), (15, 16531388), (20, 12398541), (23, 10781340), (30, 8265694), (46, 5390670), (60, 4132847), (69, 3593780), (92, 2695335), (115, 2156268), (138, 1796890), (230, 1078134), (276, 898445), (345, 718756), (460, 539067), (690, 359378), (1380, 179689)]