1991880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 7076160

約数和(自身を除く): 5084280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 503, 660, 792, 990, 1006, 1320, 1509, 1980, 2012, 2515, 3018, 3960, 4024, 4527, 5030, 5533, 6036, 7545, 9054, 10060, 11066, 12072, 15090, 16599, 18108, 20120, 22132, 22635, 27665, 30180, 33198, 36216, 44264, 45270, 49797, 55330, 60360, 66396, 82995, 90540, 99594, 110660, 132792, 165990, 181080, 199188, 221320, 248985, 331980, 398376, 497970, 663960, 995940, 1991880]

約数ペア:

[(1, 1991880), (2, 995940), (3, 663960), (4, 497970), (5, 398376), (6, 331980), (8, 248985), (9, 221320), (10, 199188), (11, 181080), (12, 165990), (15, 132792), (18, 110660), (20, 99594), (22, 90540), (24, 82995), (30, 66396), (33, 60360), (36, 55330), (40, 49797), (44, 45270), (45, 44264), (55, 36216), (60, 33198), (66, 30180), (72, 27665), (88, 22635), (90, 22132), (99, 20120), (110, 18108), (120, 16599), (132, 15090), (165, 12072), (180, 11066), (198, 10060), (220, 9054), (264, 7545), (330, 6036), (360, 5533), (396, 5030), (440, 4527), (495, 4024), (503, 3960), (660, 3018), (792, 2515), (990, 2012), (1006, 1980), (1320, 1509)]