15400920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{128341}}^1$

素因数の和:128355

約数の個数: 32

約数和(自身を含む): 46203120

約数和(自身を除く): 30802200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 128341, 256682, 385023, 513364, 641705, 770046, 1026728, 1283410, 1540092, 1925115, 2566820, 3080184, 3850230, 5133640, 7700460, 15400920]

約数ペア:

[(1, 15400920), (2, 7700460), (3, 5133640), (4, 3850230), (5, 3080184), (6, 2566820), (8, 1925115), (10, 1540092), (12, 1283410), (15, 1026728), (20, 770046), (24, 641705), (30, 513364), (40, 385023), (60, 256682), (120, 128341)]