905940720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{419417}}^1$

素因数の和:419439

約数の個数: 80

約数和(自身を含む): 3120469920

約数和(自身を除く): 2214529200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 419417, 838834, 1258251, 1677668, 2097085, 2516502, 3355336, 3774753, 4194170, 5033004, 6291255, 6710672, 7549506, 8388340, 10066008, 11324259, 12582510, 15099012, 16776680, 18873765, 20132016, 22648518, 25165020, 30198024, 33553360, 37747530, 45297036, 50330040, 56621295, 60396048, 75495060, 90594072, 100660080, 113242590, 150990120, 181188144, 226485180, 301980240, 452970360, 905940720]

約数ペア:

[(1, 905940720), (2, 452970360), (3, 301980240), (4, 226485180), (5, 181188144), (6, 150990120), (8, 113242590), (9, 100660080), (10, 90594072), (12, 75495060), (15, 60396048), (16, 56621295), (18, 50330040), (20, 45297036), (24, 37747530), (27, 33553360), (30, 30198024), (36, 25165020), (40, 22648518), (45, 20132016), (48, 18873765), (54, 16776680), (60, 15099012), (72, 12582510), (80, 11324259), (90, 10066008), (108, 8388340), (120, 7549506), (135, 6710672), (144, 6291255), (180, 5033004), (216, 4194170), (240, 3774753), (270, 3355336), (360, 2516502), (432, 2097085), (540, 1677668), (720, 1258251), (1080, 838834), (2160, 419417)]