15642690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{74489}}^1$

素因数の和:74506

約数の個数: 32

約数和(自身を含む): 42906240

約数和(自身を除く): 27263550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 74489, 148978, 223467, 372445, 446934, 521423, 744890, 1042846, 1117335, 1564269, 2234670, 2607115, 3128538, 5214230, 7821345, 15642690]

約数ペア:

[(1, 15642690), (2, 7821345), (3, 5214230), (5, 3128538), (6, 2607115), (7, 2234670), (10, 1564269), (14, 1117335), (15, 1042846), (21, 744890), (30, 521423), (35, 446934), (42, 372445), (70, 223467), (105, 148978), (210, 74489)]