1645589920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27281}}^1$

素因数の和:27338

約数の個数: 96

約数和(自身を含む): 4331290320

約数和(自身を除く): 2685700400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 377, 416, 464, 520, 580, 754, 928, 1040, 1160, 1508, 1885, 2080, 2320, 3016, 3770, 4640, 6032, 7540, 12064, 15080, 27281, 30160, 54562, 60320, 109124, 136405, 218248, 272810, 354653, 436496, 545620, 709306, 791149, 872992, 1091240, 1418612, 1582298, 1773265, 2182480, 2837224, 3164596, 3546530, 3955745, 4364960, 5674448, 6329192, 7093060, 7911490, 10284937, 11348896, 12658384, 14186120, 15822980, 20569874, 25316768, 28372240, 31645960, 41139748, 51424685, 56744480, 63291920, 82279496, 102849370, 126583840, 164558992, 205698740, 329117984, 411397480, 822794960, 1645589920]

約数ペア:

[(1, 1645589920), (2, 822794960), (4, 411397480), (5, 329117984), (8, 205698740), (10, 164558992), (13, 126583840), (16, 102849370), (20, 82279496), (26, 63291920), (29, 56744480), (32, 51424685), (40, 41139748), (52, 31645960), (58, 28372240), (65, 25316768), (80, 20569874), (104, 15822980), (116, 14186120), (130, 12658384), (145, 11348896), (160, 10284937), (208, 7911490), (232, 7093060), (260, 6329192), (290, 5674448), (377, 4364960), (416, 3955745), (464, 3546530), (520, 3164596), (580, 2837224), (754, 2182480), (928, 1773265), (1040, 1582298), (1160, 1418612), (1508, 1091240), (1885, 872992), (2080, 791149), (2320, 709306), (3016, 545620), (3770, 436496), (4640, 354653), (6032, 272810), (7540, 218248), (12064, 136405), (15080, 109124), (27281, 60320), (30160, 54562)]