21890160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30403}}^1$

素因数の和:30422

約数の個数: 60

約数和(自身を含む): 73516872

約数和(自身を除く): 51626712

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, 30403, 60806, 91209, 121612, 152015, 182418, 243224, 273627, 304030, 364836, 456045, 486448, 547254, 608060, 729672, 912090, 1094508, 1216120, 1368135, 1459344, 1824180, 2189016, 2432240, 2736270, 3648360, 4378032, 5472540, 7296720, 10945080, 21890160]

約数ペア:

[(1, 21890160), (2, 10945080), (3, 7296720), (4, 5472540), (5, 4378032), (6, 3648360), (8, 2736270), (9, 2432240), (10, 2189016), (12, 1824180), (15, 1459344), (16, 1368135), (18, 1216120), (20, 1094508), (24, 912090), (30, 729672), (36, 608060), (40, 547254), (45, 486448), (48, 456045), (60, 364836), (72, 304030), (80, 273627), (90, 243224), (120, 182418), (144, 152015), (180, 121612), (240, 91209), (360, 60806), (720, 30403)]