31388820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{967}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 88142208

約数和(自身を除く): 56753388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 541, 967, 1082, 1623, 1934, 2164, 2705, 2901, 3246, 3868, 4835, 5410, 5802, 6492, 8115, 9670, 10820, 11604, 14505, 16230, 19340, 29010, 32460, 58020, 523147, 1046294, 1569441, 2092588, 2615735, 3138882, 5231470, 6277764, 7847205, 10462940, 15694410, 31388820]

約数ペア:

[(1, 31388820), (2, 15694410), (3, 10462940), (4, 7847205), (5, 6277764), (6, 5231470), (10, 3138882), (12, 2615735), (15, 2092588), (20, 1569441), (30, 1046294), (60, 523147), (541, 58020), (967, 32460), (1082, 29010), (1623, 19340), (1934, 16230), (2164, 14505), (2705, 11604), (2901, 10820), (3246, 9670), (3868, 8115), (4835, 6492), (5410, 5802)]