77986980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433261}}^1$

素因数の和:433276

約数の個数: 36

約数和(自身を含む): 236561052

約数和(自身を除く): 158574072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433261, 866522, 1299783, 1733044, 2166305, 2599566, 3899349, 4332610, 5199132, 6498915, 7798698, 8665220, 12997830, 15597396, 19496745, 25995660, 38993490, 77986980]

約数ペア:

[(1, 77986980), (2, 38993490), (3, 25995660), (4, 19496745), (5, 15597396), (6, 12997830), (9, 8665220), (10, 7798698), (12, 6498915), (15, 5199132), (18, 4332610), (20, 3899349), (30, 2599566), (36, 2166305), (45, 1733044), (60, 1299783), (90, 866522), (180, 433261)]