255918690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{315949}}^1$

素因数の和:315968

約数の個数: 40

約数和(自身を含む): 688139100

約数和(自身を除く): 432220410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 315949, 631898, 947847, 1579745, 1895694, 2843541, 3159490, 4739235, 5687082, 8530623, 9478470, 14217705, 17061246, 25591869, 28435410, 42653115, 51183738, 85306230, 127959345, 255918690]

約数ペア:

[(1, 255918690), (2, 127959345), (3, 85306230), (5, 51183738), (6, 42653115), (9, 28435410), (10, 25591869), (15, 17061246), (18, 14217705), (27, 9478470), (30, 8530623), (45, 5687082), (54, 4739235), (81, 3159490), (90, 2843541), (135, 1895694), (162, 1579745), (270, 947847), (405, 631898), (810, 315949)]