128425860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{713477}}^1$

素因数の和:713492

約数の個数: 36

約数和(自身を含む): 389558988

約数和(自身を除く): 261133128

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 713477, 1426954, 2140431, 2853908, 3567385, 4280862, 6421293, 7134770, 8561724, 10702155, 12842586, 14269540, 21404310, 25685172, 32106465, 42808620, 64212930, 128425860]

約数ペア:

[(1, 128425860), (2, 64212930), (3, 42808620), (4, 32106465), (5, 25685172), (6, 21404310), (9, 14269540), (10, 12842586), (12, 10702155), (15, 8561724), (18, 7134770), (20, 6421293), (30, 4280862), (36, 3567385), (45, 2853908), (60, 2140431), (90, 1426954), (180, 713477)]