138239280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{191999}}^1$

素因数の和:192018

約数の個数: 60

約数和(自身を含む): 464256000

約数和(自身を除く): 326016720

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, 191999, 383998, 575997, 767996, 959995, 1151994, 1535992, 1727991, 1919990, 2303988, 2879985, 3071984, 3455982, 3839980, 4607976, 5759970, 6911964, 7679960, 8639955, 9215952, 11519940, 13823928, 15359920, 17279910, 23039880, 27647856, 34559820, 46079760, 69119640, 138239280]

約数ペア:

[(1, 138239280), (2, 69119640), (3, 46079760), (4, 34559820), (5, 27647856), (6, 23039880), (8, 17279910), (9, 15359920), (10, 13823928), (12, 11519940), (15, 9215952), (16, 8639955), (18, 7679960), (20, 6911964), (24, 5759970), (30, 4607976), (36, 3839980), (40, 3455982), (45, 3071984), (48, 2879985), (60, 2303988), (72, 1919990), (80, 1727991), (90, 1535992), (120, 1151994), (144, 959995), (180, 767996), (240, 575997), (360, 383998), (720, 191999)]