28719720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79777}}^1$

素因数の和:79794

約数の個数: 48

約数和(自身を含む): 93340260

約数和(自身を除く): 64620540

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, 79777, 159554, 239331, 319108, 398885, 478662, 638216, 717993, 797770, 957324, 1196655, 1435986, 1595540, 1914648, 2393310, 2871972, 3191080, 3589965, 4786620, 5743944, 7179930, 9573240, 14359860, 28719720]

約数ペア:

[(1, 28719720), (2, 14359860), (3, 9573240), (4, 7179930), (5, 5743944), (6, 4786620), (8, 3589965), (9, 3191080), (10, 2871972), (12, 2393310), (15, 1914648), (18, 1595540), (20, 1435986), (24, 1196655), (30, 957324), (36, 797770), (40, 717993), (45, 638216), (60, 478662), (72, 398885), (90, 319108), (120, 239331), (180, 159554), (360, 79777)]