80071920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111211}}^1$

素因数の和:111230

約数の個数: 60

約数和(自身を含む): 268910616

約数和(自身を除く): 188838696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111211, 222422, 333633, 444844, 556055, 667266, 889688, 1000899, 1112110, 1334532, 1668165, 1779376, 2001798, 2224220, 2669064, 3336330, 4003596, 4448440, 5004495, 5338128, 6672660, 8007192, 8896880, 10008990, 13345320, 16014384, 20017980, 26690640, 40035960, 80071920]

約数ペア:

[(1, 80071920), (2, 40035960), (3, 26690640), (4, 20017980), (5, 16014384), (6, 13345320), (8, 10008990), (9, 8896880), (10, 8007192), (12, 6672660), (15, 5338128), (16, 5004495), (18, 4448440), (20, 4003596), (24, 3336330), (30, 2669064), (36, 2224220), (40, 2001798), (45, 1779376), (48, 1668165), (60, 1334532), (72, 1112110), (80, 1000899), (90, 889688), (120, 667266), (144, 556055), (180, 444844), (240, 333633), (360, 222422), (720, 111211)]