200720820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25537}}^1$

素因数の和:25680

約数の個数: 48

約数和(自身を含む): 566330688

約数和(自身を除く): 365609868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 25537, 51074, 76611, 102148, 127685, 153222, 255370, 306444, 383055, 510740, 766110, 1532220, 3345347, 6690694, 10036041, 13381388, 16726735, 20072082, 33453470, 40144164, 50180205, 66906940, 100360410, 200720820]

約数ペア:

[(1, 200720820), (2, 100360410), (3, 66906940), (4, 50180205), (5, 40144164), (6, 33453470), (10, 20072082), (12, 16726735), (15, 13381388), (20, 10036041), (30, 6690694), (60, 3345347), (131, 1532220), (262, 766110), (393, 510740), (524, 383055), (655, 306444), (786, 255370), (1310, 153222), (1572, 127685), (1965, 102148), (2620, 76611), (3930, 51074), (7860, 25537)]