78704280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218623}}^1$

素因数の和:218640

約数の個数: 48

約数和(自身を含む): 255790080

約数和(自身を除く): 177085800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218623, 437246, 655869, 874492, 1093115, 1311738, 1748984, 1967607, 2186230, 2623476, 3279345, 3935214, 4372460, 5246952, 6558690, 7870428, 8744920, 9838035, 13117380, 15740856, 19676070, 26234760, 39352140, 78704280]

約数ペア:

[(1, 78704280), (2, 39352140), (3, 26234760), (4, 19676070), (5, 15740856), (6, 13117380), (8, 9838035), (9, 8744920), (10, 7870428), (12, 6558690), (15, 5246952), (18, 4372460), (20, 3935214), (24, 3279345), (30, 2623476), (36, 2186230), (40, 1967607), (45, 1748984), (60, 1311738), (72, 1093115), (90, 874492), (120, 655869), (180, 437246), (360, 218623)]