128550420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{714169}}^1$

素因数の和:714184

約数の個数: 36

約数和(自身を含む): 389936820

約数和(自身を除く): 261386400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 714169, 1428338, 2142507, 2856676, 3570845, 4285014, 6427521, 7141690, 8570028, 10712535, 12855042, 14283380, 21425070, 25710084, 32137605, 42850140, 64275210, 128550420]

約数ペア:

[(1, 128550420), (2, 64275210), (3, 42850140), (4, 32137605), (5, 25710084), (6, 21425070), (9, 14283380), (10, 12855042), (12, 10712535), (15, 8570028), (18, 7141690), (20, 6427521), (30, 4285014), (36, 3570845), (45, 2856676), (60, 2142507), (90, 1428338), (180, 714169)]