393991440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1641631}}^1$

素因数の和:1641647

約数の個数: 40

約数和(自身を含む): 1221374208

約数和(自身を除く): 827382768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1641631, 3283262, 4924893, 6566524, 8208155, 9849786, 13133048, 16416310, 19699572, 24624465, 26266096, 32832620, 39399144, 49248930, 65665240, 78798288, 98497860, 131330480, 196995720, 393991440]

約数ペア:

[(1, 393991440), (2, 196995720), (3, 131330480), (4, 98497860), (5, 78798288), (6, 65665240), (8, 49248930), (10, 39399144), (12, 32832620), (15, 26266096), (16, 24624465), (20, 19699572), (24, 16416310), (30, 13133048), (40, 9849786), (48, 8208155), (60, 6566524), (80, 4924893), (120, 3283262), (240, 1641631)]