388972260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{720319}}^1$

素因数の和:720337

約数の個数: 48

約数和(自身を含む): 1210137600

約数和(自身を除く): 821165340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 720319, 1440638, 2160957, 2881276, 3601595, 4321914, 6482871, 7203190, 8643828, 10804785, 12965742, 14406380, 19448613, 21609570, 25931484, 32414355, 38897226, 43219140, 64828710, 77794452, 97243065, 129657420, 194486130, 388972260]

約数ペア:

[(1, 388972260), (2, 194486130), (3, 129657420), (4, 97243065), (5, 77794452), (6, 64828710), (9, 43219140), (10, 38897226), (12, 32414355), (15, 25931484), (18, 21609570), (20, 19448613), (27, 14406380), (30, 12965742), (36, 10804785), (45, 8643828), (54, 7203190), (60, 6482871), (90, 4321914), (108, 3601595), (135, 2881276), (180, 2160957), (270, 1440638), (540, 720319)]