87886980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488261}}^1$

素因数の和:488276

約数の個数: 36

約数和(自身を含む): 266591052

約数和(自身を除く): 178704072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488261, 976522, 1464783, 1953044, 2441305, 2929566, 4394349, 4882610, 5859132, 7323915, 8788698, 9765220, 14647830, 17577396, 21971745, 29295660, 43943490, 87886980]

約数ペア:

[(1, 87886980), (2, 43943490), (3, 29295660), (4, 21971745), (5, 17577396), (6, 14647830), (9, 9765220), (10, 8788698), (12, 7323915), (15, 5859132), (18, 4882610), (20, 4394349), (30, 2929566), (36, 2441305), (45, 1953044), (60, 1464783), (90, 976522), (180, 488261)]