27718020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13999}}^1$

素因数の和:14025

約数の個数: 72

約数和(自身を含む): 91728000

約数和(自身を除く): 64009980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 13999, 27998, 41997, 55996, 69995, 83994, 125991, 139990, 153989, 167988, 209985, 251982, 279980, 307978, 419970, 461967, 503964, 615956, 629955, 769945, 839940, 923934, 1259910, 1385901, 1539890, 1847868, 2309835, 2519820, 2771802, 3079780, 4619670, 5543604, 6929505, 9239340, 13859010, 27718020]

約数ペア:

[(1, 27718020), (2, 13859010), (3, 9239340), (4, 6929505), (5, 5543604), (6, 4619670), (9, 3079780), (10, 2771802), (11, 2519820), (12, 2309835), (15, 1847868), (18, 1539890), (20, 1385901), (22, 1259910), (30, 923934), (33, 839940), (36, 769945), (44, 629955), (45, 615956), (55, 503964), (60, 461967), (66, 419970), (90, 307978), (99, 279980), (110, 251982), (132, 209985), (165, 167988), (180, 153989), (198, 139990), (220, 125991), (330, 83994), (396, 69995), (495, 55996), (660, 41997), (990, 27998), (1980, 13999)]