28372620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{971}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 79688448

約数和(自身を除く): 51315828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 971, 974, 1461, 1942, 1948, 2435, 2913, 2922, 3884, 4855, 4870, 5826, 5844, 7305, 9710, 9740, 11652, 14565, 14610, 19420, 29130, 29220, 58260, 472877, 945754, 1418631, 1891508, 2364385, 2837262, 4728770, 5674524, 7093155, 9457540, 14186310, 28372620]

約数ペア:

[(1, 28372620), (2, 14186310), (3, 9457540), (4, 7093155), (5, 5674524), (6, 4728770), (10, 2837262), (12, 2364385), (15, 1891508), (20, 1418631), (30, 945754), (60, 472877), (487, 58260), (971, 29220), (974, 29130), (1461, 19420), (1942, 14610), (1948, 14565), (2435, 11652), (2913, 9740), (2922, 9710), (3884, 7305), (4855, 5844), (4870, 5826)]