80054640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111187}}^1$

素因数の和:111206

約数の個数: 60

約数和(自身を含む): 268852584

約数和(自身を除く): 188797944

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, 111187, 222374, 333561, 444748, 555935, 667122, 889496, 1000683, 1111870, 1334244, 1667805, 1778992, 2001366, 2223740, 2668488, 3335610, 4002732, 4447480, 5003415, 5336976, 6671220, 8005464, 8894960, 10006830, 13342440, 16010928, 20013660, 26684880, 40027320, 80054640]

約数ペア:

[(1, 80054640), (2, 40027320), (3, 26684880), (4, 20013660), (5, 16010928), (6, 13342440), (8, 10006830), (9, 8894960), (10, 8005464), (12, 6671220), (15, 5336976), (16, 5003415), (18, 4447480), (20, 4002732), (24, 3335610), (30, 2668488), (36, 2223740), (40, 2001366), (45, 1778992), (48, 1667805), (60, 1334244), (72, 1111870), (80, 1000683), (90, 889496), (120, 667122), (144, 555935), (180, 444748), (240, 333561), (360, 222374), (720, 111187)]