31409460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{827}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 95842656

約数和(自身を除く): 64433196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 827, 844, 1055, 1266, 1654, 1899, 2110, 2481, 2532, 3165, 3308, 3798, 4135, 4220, 4962, 6330, 7443, 7596, 8270, 9495, 9924, 12405, 12660, 14886, 16540, 18990, 24810, 29772, 37215, 37980, 49620, 74430, 148860, 174497, 348994, 523491, 697988, 872485, 1046982, 1570473, 1744970, 2093964, 2617455, 3140946, 3489940, 5234910, 6281892, 7852365, 10469820, 15704730, 31409460]

約数ペア:

[(1, 31409460), (2, 15704730), (3, 10469820), (4, 7852365), (5, 6281892), (6, 5234910), (9, 3489940), (10, 3140946), (12, 2617455), (15, 2093964), (18, 1744970), (20, 1570473), (30, 1046982), (36, 872485), (45, 697988), (60, 523491), (90, 348994), (180, 174497), (211, 148860), (422, 74430), (633, 49620), (827, 37980), (844, 37215), (1055, 29772), (1266, 24810), (1654, 18990), (1899, 16540), (2110, 14886), (2481, 12660), (2532, 12405), (3165, 9924), (3308, 9495), (3798, 8270), (4135, 7596), (4220, 7443), (4962, 6330)]