27821940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 78140160

約数和(自身を除く): 50318220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 911, 1018, 1527, 1822, 2036, 2545, 2733, 3054, 3644, 4555, 5090, 5466, 6108, 7635, 9110, 10180, 10932, 13665, 15270, 18220, 27330, 30540, 54660, 463699, 927398, 1391097, 1854796, 2318495, 2782194, 4636990, 5564388, 6955485, 9273980, 13910970, 27821940]

約数ペア:

[(1, 27821940), (2, 13910970), (3, 9273980), (4, 6955485), (5, 5564388), (6, 4636990), (10, 2782194), (12, 2318495), (15, 1854796), (20, 1391097), (30, 927398), (60, 463699), (509, 54660), (911, 30540), (1018, 27330), (1527, 18220), (1822, 15270), (2036, 13665), (2545, 10932), (2733, 10180), (3054, 9110), (3644, 7635), (4555, 6108), (5090, 5466)]