205768440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{571579}}^1$

素因数の和:571596

約数の個数: 48

約数和(自身を含む): 668748600

約数和(自身を除く): 462980160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 571579, 1143158, 1714737, 2286316, 2857895, 3429474, 4572632, 5144211, 5715790, 6858948, 8573685, 10288422, 11431580, 13717896, 17147370, 20576844, 22863160, 25721055, 34294740, 41153688, 51442110, 68589480, 102884220, 205768440]

約数ペア:

[(1, 205768440), (2, 102884220), (3, 68589480), (4, 51442110), (5, 41153688), (6, 34294740), (8, 25721055), (9, 22863160), (10, 20576844), (12, 17147370), (15, 13717896), (18, 11431580), (20, 10288422), (24, 8573685), (30, 6858948), (36, 5715790), (40, 5144211), (45, 4572632), (60, 3429474), (72, 2857895), (90, 2286316), (120, 1714737), (180, 1143158), (360, 571579)]