28017840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{375373}}^1$

素因数の和:375700

約数の個数: 80

約数和(自身を含む): 87134815872

約数和(自身を除く): 59116975152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 4976, 6220, 7464, 9330, 12440, 14928, 18660, 24880, 37320, 74640, 375373, 750746, 1126119, 1501492, 1876865, 2252238, 3002984, 3753730, 4504476, 5630595, 6005968, 7507460, 9008952, 11261190, 15014920, 18017904, 22522380, 30029840, 45044760, 90089520, 116741003, 233482006, 350223009, 466964012, 583705015, 700446018, 933928024, 1167410030, 1400892036, 1751115045, 1867856048, 2334820060, 2801784072, 3502230090, 4669640120, 5603568144, 7004460180, 9339280240, 14008920360, 28017840720]

約数ペア:

[(1, 28017840720), (2, 14008920360), (3, 9339280240), (4, 7004460180), (5, 5603568144), (6, 4669640120), (8, 3502230090), (10, 2801784072), (12, 2334820060), (15, 1867856048), (16, 1751115045), (20, 1400892036), (24, 1167410030), (30, 933928024), (40, 700446018), (48, 583705015), (60, 466964012), (80, 350223009), (120, 233482006), (240, 116741003), (311, 90089520), (622, 45044760), (933, 30029840), (1244, 22522380), (1555, 18017904), (1866, 15014920), (2488, 11261190), (3110, 9008952), (3732, 7507460), (4665, 6005968), (4976, 5630595), (6220, 4504476), (7464, 3753730), (9330, 3002984), (12440, 2252238), (14928, 1876865), (18660, 1501492), (24880, 1126119), (37320, 750746), (74640, 375373)]