21600240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90001}}^1$

素因数の和:90017

約数の個数: 40

約数和(自身を含む): 66961488

約数和(自身を除く): 45361248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90001, 180002, 270003, 360004, 450005, 540006, 720008, 900010, 1080012, 1350015, 1440016, 1800020, 2160024, 2700030, 3600040, 4320048, 5400060, 7200080, 10800120, 21600240]

約数ペア:

[(1, 21600240), (2, 10800120), (3, 7200080), (4, 5400060), (5, 4320048), (6, 3600040), (8, 2700030), (10, 2160024), (12, 1800020), (15, 1440016), (16, 1350015), (20, 1080012), (24, 900010), (30, 720008), (40, 540006), (48, 450005), (60, 360004), (80, 270003), (120, 180002), (240, 90001)]