80421810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{382961}}^1$

素因数の和:382978

約数の個数: 32

約数和(自身を含む): 220586112

約数和(自身を除く): 140164302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 382961, 765922, 1148883, 1914805, 2297766, 2680727, 3829610, 5361454, 5744415, 8042181, 11488830, 13403635, 16084362, 26807270, 40210905, 80421810]

約数ペア:

[(1, 80421810), (2, 40210905), (3, 26807270), (5, 16084362), (6, 13403635), (7, 11488830), (10, 8042181), (14, 5744415), (15, 5361454), (21, 3829610), (30, 2680727), (35, 2297766), (42, 1914805), (70, 1148883), (105, 765922), (210, 382961)]