205803120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{857513}}^1$

素因数の和:857529

約数の個数: 40

約数和(自身を含む): 637990416

約数和(自身を除く): 432187296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 857513, 1715026, 2572539, 3430052, 4287565, 5145078, 6860104, 8575130, 10290156, 12862695, 13720208, 17150260, 20580312, 25725390, 34300520, 41160624, 51450780, 68601040, 102901560, 205803120]

約数ペア:

[(1, 205803120), (2, 102901560), (3, 68601040), (4, 51450780), (5, 41160624), (6, 34300520), (8, 25725390), (10, 20580312), (12, 17150260), (15, 13720208), (16, 12862695), (20, 10290156), (24, 8575130), (30, 6860104), (40, 5145078), (48, 4287565), (60, 3430052), (80, 2572539), (120, 1715026), (240, 857513)]