80491140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{447173}}^1$

素因数の和:447188

約数の個数: 36

約数和(自身を含む): 244157004

約数和(自身を除く): 163665864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 447173, 894346, 1341519, 1788692, 2235865, 2683038, 4024557, 4471730, 5366076, 6707595, 8049114, 8943460, 13415190, 16098228, 20122785, 26830380, 40245570, 80491140]

約数ペア:

[(1, 80491140), (2, 40245570), (3, 26830380), (4, 20122785), (5, 16098228), (6, 13415190), (9, 8943460), (10, 8049114), (12, 6707595), (15, 5366076), (18, 4471730), (20, 4024557), (30, 2683038), (36, 2235865), (45, 1788692), (60, 1341519), (90, 894346), (180, 447173)]