87868980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488161}}^1$

素因数の和:488176

約数の個数: 36

約数和(自身を含む): 266536452

約数和(自身を除く): 178667472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488161, 976322, 1464483, 1952644, 2440805, 2928966, 4393449, 4881610, 5857932, 7322415, 8786898, 9763220, 14644830, 17573796, 21967245, 29289660, 43934490, 87868980]

約数ペア:

[(1, 87868980), (2, 43934490), (3, 29289660), (4, 21967245), (5, 17573796), (6, 14644830), (9, 9763220), (10, 8786898), (12, 7322415), (15, 5857932), (18, 4881610), (20, 4393449), (30, 2928966), (36, 2440805), (45, 1952644), (60, 1464483), (90, 976322), (180, 488161)]