15241720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29311}}^1$

素因数の和:29335

約数の個数: 32

約数和(自身を含む): 36933120

約数和(自身を除く): 21691400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 29311, 58622, 117244, 146555, 234488, 293110, 381043, 586220, 762086, 1172440, 1524172, 1905215, 3048344, 3810430, 7620860, 15241720]

約数ペア:

[(1, 15241720), (2, 7620860), (4, 3810430), (5, 3048344), (8, 1905215), (10, 1524172), (13, 1172440), (20, 762086), (26, 586220), (40, 381043), (52, 293110), (65, 234488), (104, 146555), (130, 117244), (260, 58622), (520, 29311)]