2278140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 6534528

約数和(自身を除く): 4256388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 883, 1290, 1766, 2580, 2649, 3532, 4415, 5298, 8830, 10596, 13245, 17660, 26490, 37969, 52980, 75938, 113907, 151876, 189845, 227814, 379690, 455628, 569535, 759380, 1139070, 2278140]

約数ペア:

[(1, 2278140), (2, 1139070), (3, 759380), (4, 569535), (5, 455628), (6, 379690), (10, 227814), (12, 189845), (15, 151876), (20, 113907), (30, 75938), (43, 52980), (60, 37969), (86, 26490), (129, 17660), (172, 13245), (215, 10596), (258, 8830), (430, 5298), (516, 4415), (645, 3532), (860, 2649), (883, 2580), (1290, 1766)]