15247540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9901}}^1$

素因数の和:9928

約数の個数: 48

約数和(自身を含む): 39924864

約数和(自身を除く): 24677324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9901, 19802, 39604, 49505, 69307, 99010, 108911, 138614, 198020, 217822, 277228, 346535, 435644, 544555, 693070, 762377, 1089110, 1386140, 1524754, 2178220, 3049508, 3811885, 7623770, 15247540]

約数ペア:

[(1, 15247540), (2, 7623770), (4, 3811885), (5, 3049508), (7, 2178220), (10, 1524754), (11, 1386140), (14, 1089110), (20, 762377), (22, 693070), (28, 544555), (35, 435644), (44, 346535), (55, 277228), (70, 217822), (77, 198020), (110, 138614), (140, 108911), (154, 99010), (220, 69307), (308, 49505), (385, 39604), (770, 19802), (1540, 9901)]