128178900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{142421}}^1$

素因数の和:142441

約数の個数: 54

約数和(自身を含む): 401772462

約数和(自身を除く): 273593562

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 142421, 284842, 427263, 569684, 712105, 854526, 1281789, 1424210, 1709052, 2136315, 2563578, 2848420, 3560525, 4272630, 5127156, 6408945, 7121050, 8545260, 10681575, 12817890, 14242100, 21363150, 25635780, 32044725, 42726300, 64089450, 128178900]

約数ペア:

[(1, 128178900), (2, 64089450), (3, 42726300), (4, 32044725), (5, 25635780), (6, 21363150), (9, 14242100), (10, 12817890), (12, 10681575), (15, 8545260), (18, 7121050), (20, 6408945), (25, 5127156), (30, 4272630), (36, 3560525), (45, 2848420), (50, 2563578), (60, 2136315), (75, 1709052), (90, 1424210), (100, 1281789), (150, 854526), (180, 712105), (225, 569684), (300, 427263), (450, 284842), (900, 142421)]