16399440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{22777}}^1$

素因数の和:22796

約数の個数: 60

約数和(自身を含む): 55077204

約数和(自身を除く): 38677764

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, 22777, 45554, 68331, 91108, 113885, 136662, 182216, 204993, 227770, 273324, 341655, 364432, 409986, 455540, 546648, 683310, 819972, 911080, 1024965, 1093296, 1366620, 1639944, 1822160, 2049930, 2733240, 3279888, 4099860, 5466480, 8199720, 16399440]

約数ペア:

[(1, 16399440), (2, 8199720), (3, 5466480), (4, 4099860), (5, 3279888), (6, 2733240), (8, 2049930), (9, 1822160), (10, 1639944), (12, 1366620), (15, 1093296), (16, 1024965), (18, 911080), (20, 819972), (24, 683310), (30, 546648), (36, 455540), (40, 409986), (45, 364432), (48, 341655), (60, 273324), (72, 227770), (80, 204993), (90, 182216), (120, 136662), (144, 113885), (180, 91108), (240, 68331), (360, 45554), (720, 22777)]