221690160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307903}}^1$

素因数の和:307922

約数の個数: 60

約数和(自身を含む): 744511872

約数和(自身を除く): 522821712

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, 307903, 615806, 923709, 1231612, 1539515, 1847418, 2463224, 2771127, 3079030, 3694836, 4618545, 4926448, 5542254, 6158060, 7389672, 9237090, 11084508, 12316120, 13855635, 14779344, 18474180, 22169016, 24632240, 27711270, 36948360, 44338032, 55422540, 73896720, 110845080, 221690160]

約数ペア:

[(1, 221690160), (2, 110845080), (3, 73896720), (4, 55422540), (5, 44338032), (6, 36948360), (8, 27711270), (9, 24632240), (10, 22169016), (12, 18474180), (15, 14779344), (16, 13855635), (18, 12316120), (20, 11084508), (24, 9237090), (30, 7389672), (36, 6158060), (40, 5542254), (45, 4926448), (48, 4618545), (60, 3694836), (72, 3079030), (80, 2771127), (90, 2463224), (120, 1847418), (144, 1539515), (180, 1231612), (240, 923709), (360, 615806), (720, 307903)]