15678320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{27997}}^1$

素因数の和:28017

約数の個数: 40

約数和(自身を含む): 41661024

約数和(自身を除く): 25982704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 27997, 55994, 111988, 139985, 195979, 223976, 279970, 391958, 447952, 559940, 783916, 979895, 1119880, 1567832, 1959790, 2239760, 3135664, 3919580, 7839160, 15678320]

約数ペア:

[(1, 15678320), (2, 7839160), (4, 3919580), (5, 3135664), (7, 2239760), (8, 1959790), (10, 1567832), (14, 1119880), (16, 979895), (20, 783916), (28, 559940), (35, 447952), (40, 391958), (56, 279970), (70, 223976), (80, 195979), (112, 139985), (140, 111988), (280, 55994), (560, 27997)]