205795440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285827}}^1$

素因数の和:285846

約数の個数: 60

約数和(自身を含む): 691132104

約数和(自身を除く): 485336664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285827, 571654, 857481, 1143308, 1429135, 1714962, 2286616, 2572443, 2858270, 3429924, 4287405, 4573232, 5144886, 5716540, 6859848, 8574810, 10289772, 11433080, 12862215, 13719696, 17149620, 20579544, 22866160, 25724430, 34299240, 41159088, 51448860, 68598480, 102897720, 205795440]

約数ペア:

[(1, 205795440), (2, 102897720), (3, 68598480), (4, 51448860), (5, 41159088), (6, 34299240), (8, 25724430), (9, 22866160), (10, 20579544), (12, 17149620), (15, 13719696), (16, 12862215), (18, 11433080), (20, 10289772), (24, 8574810), (30, 6859848), (36, 5716540), (40, 5144886), (45, 4573232), (48, 4287405), (60, 3429924), (72, 2858270), (80, 2572443), (90, 2286616), (120, 1714962), (144, 1429135), (180, 1143308), (240, 857481), (360, 571654), (720, 285827)]