77280660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6047}}^1$

素因数の和:6133

約数の個数: 72

約数和(自身を含む): 237758976

約数和(自身を除く): 160478316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6047, 6390, 12094, 12780, 18141, 24188, 30235, 36282, 54423, 60470, 72564, 90705, 108846, 120940, 181410, 217692, 272115, 362820, 429337, 544230, 858674, 1088460, 1288011, 1717348, 2146685, 2576022, 3864033, 4293370, 5152044, 6440055, 7728066, 8586740, 12880110, 15456132, 19320165, 25760220, 38640330, 77280660]

約数ペア:

[(1, 77280660), (2, 38640330), (3, 25760220), (4, 19320165), (5, 15456132), (6, 12880110), (9, 8586740), (10, 7728066), (12, 6440055), (15, 5152044), (18, 4293370), (20, 3864033), (30, 2576022), (36, 2146685), (45, 1717348), (60, 1288011), (71, 1088460), (90, 858674), (142, 544230), (180, 429337), (213, 362820), (284, 272115), (355, 217692), (426, 181410), (639, 120940), (710, 108846), (852, 90705), (1065, 72564), (1278, 60470), (1420, 54423), (2130, 36282), (2556, 30235), (3195, 24188), (4260, 18141), (6047, 12780), (6390, 12094)]