15688820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2287}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 22749580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2287, 3430, 4574, 6860, 9148, 11435, 16009, 22870, 32018, 45740, 64036, 80045, 112063, 160090, 224126, 320180, 448252, 560315, 784441, 1120630, 1568882, 2241260, 3137764, 3922205, 7844410, 15688820]

約数ペア:

[(1, 15688820), (2, 7844410), (4, 3922205), (5, 3137764), (7, 2241260), (10, 1568882), (14, 1120630), (20, 784441), (28, 560315), (35, 448252), (49, 320180), (70, 224126), (98, 160090), (140, 112063), (196, 80045), (245, 64036), (343, 45740), (490, 32018), (686, 22870), (980, 16009), (1372, 11435), (1715, 9148), (2287, 6860), (3430, 4574)]