51455760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{214399}}^1$

素因数の和:214415

約数の個数: 40

約数和(自身を含む): 159513600

約数和(自身を除く): 108057840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 214399, 428798, 643197, 857596, 1071995, 1286394, 1715192, 2143990, 2572788, 3215985, 3430384, 4287980, 5145576, 6431970, 8575960, 10291152, 12863940, 17151920, 25727880, 51455760]

約数ペア:

[(1, 51455760), (2, 25727880), (3, 17151920), (4, 12863940), (5, 10291152), (6, 8575960), (8, 6431970), (10, 5145576), (12, 4287980), (15, 3430384), (16, 3215985), (20, 2572788), (24, 2143990), (30, 1715192), (40, 1286394), (48, 1071995), (60, 857596), (80, 643197), (120, 428798), (240, 214399)]