72802980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404461}}^1$

素因数の和:404476

約数の個数: 36

約数和(自身を含む): 220836252

約数和(自身を除く): 148033272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404461, 808922, 1213383, 1617844, 2022305, 2426766, 3640149, 4044610, 4853532, 6066915, 7280298, 8089220, 12133830, 14560596, 18200745, 24267660, 36401490, 72802980]

約数ペア:

[(1, 72802980), (2, 36401490), (3, 24267660), (4, 18200745), (5, 14560596), (6, 12133830), (9, 8089220), (10, 7280298), (12, 6066915), (15, 4853532), (18, 4044610), (20, 3640149), (30, 2426766), (36, 2022305), (45, 1617844), (60, 1213383), (90, 808922), (180, 404461)]