61320280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219001}}^1$

素因数の和:219019

約数の個数: 32

約数和(自身を含む): 157681440

約数和(自身を除く): 96361160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219001, 438002, 876004, 1095005, 1533007, 1752008, 2190010, 3066014, 4380020, 6132028, 7665035, 8760040, 12264056, 15330070, 30660140, 61320280]

約数ペア:

[(1, 61320280), (2, 30660140), (4, 15330070), (5, 12264056), (7, 8760040), (8, 7665035), (10, 6132028), (14, 4380020), (20, 3066014), (28, 2190010), (35, 1752008), (40, 1533007), (56, 1095005), (70, 876004), (140, 438002), (280, 219001)]