79978680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{222163}}^1$

素因数の和:222180

約数の個数: 48

約数和(自身を含む): 259931880

約数和(自身を除く): 179953200

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, 222163, 444326, 666489, 888652, 1110815, 1332978, 1777304, 1999467, 2221630, 2665956, 3332445, 3998934, 4443260, 5331912, 6664890, 7997868, 8886520, 9997335, 13329780, 15995736, 19994670, 26659560, 39989340, 79978680]

約数ペア:

[(1, 79978680), (2, 39989340), (3, 26659560), (4, 19994670), (5, 15995736), (6, 13329780), (8, 9997335), (9, 8886520), (10, 7997868), (12, 6664890), (15, 5331912), (18, 4443260), (20, 3998934), (24, 3332445), (30, 2665956), (36, 2221630), (40, 1999467), (45, 1777304), (60, 1332978), (72, 1110815), (90, 888652), (120, 666489), (180, 444326), (360, 222163)]