128730780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{715171}}^1$

素因数の和:715186

約数の個数: 36

約数和(自身を含む): 390483912

約数和(自身を除く): 261753132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 715171, 1430342, 2145513, 2860684, 3575855, 4291026, 6436539, 7151710, 8582052, 10727565, 12873078, 14303420, 21455130, 25746156, 32182695, 42910260, 64365390, 128730780]

約数ペア:

[(1, 128730780), (2, 64365390), (3, 42910260), (4, 32182695), (5, 25746156), (6, 21455130), (9, 14303420), (10, 12873078), (12, 10727565), (15, 8582052), (18, 7151710), (20, 6436539), (30, 4291026), (36, 3575855), (45, 2860684), (60, 2145513), (90, 1430342), (180, 715171)]