64835120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115777}}^1$

素因数の和:115797

約数の個数: 40

約数和(自身を含む): 172277664

約数和(自身を除く): 107442544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115777, 231554, 463108, 578885, 810439, 926216, 1157770, 1620878, 1852432, 2315540, 3241756, 4052195, 4631080, 6483512, 8104390, 9262160, 12967024, 16208780, 32417560, 64835120]

約数ペア:

[(1, 64835120), (2, 32417560), (4, 16208780), (5, 12967024), (7, 9262160), (8, 8104390), (10, 6483512), (14, 4631080), (16, 4052195), (20, 3241756), (28, 2315540), (35, 1852432), (40, 1620878), (56, 1157770), (70, 926216), (80, 810439), (112, 578885), (140, 463108), (280, 231554), (560, 115777)]