128804580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1600

約数の個数: 144

約数和(自身を含む): 429287040

約数和(自身を除く): 300482460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1215, 1377, 1530, 1559, 1620, 1836, 2295, 2430, 2754, 3060, 3118, 4131, 4590, 4677, 4860, 5508, 6236, 6885, 7795, 8262, 9180, 9354, 13770, 14031, 15590, 16524, 18708, 20655, 23385, 26503, 27540, 28062, 31180, 41310, 42093, 46770, 53006, 56124, 70155, 79509, 82620, 84186, 93540, 106012, 126279, 132515, 140310, 159018, 168372, 210465, 238527, 252558, 265030, 280620, 318036, 378837, 397545, 420930, 477054, 505116, 530060, 631395, 715581, 757674, 795090, 841860, 954108, 1192635, 1262790, 1431162, 1515348, 1590180, 1894185, 2146743, 2385270, 2525580, 2862324, 3577905, 3788370, 4293486, 4770540, 6440229, 7155810, 7576740, 8586972, 10733715, 12880458, 14311620, 21467430, 25760916, 32201145, 42934860, 64402290, 128804580]

約数ペア:

[(1, 128804580), (2, 64402290), (3, 42934860), (4, 32201145), (5, 25760916), (6, 21467430), (9, 14311620), (10, 12880458), (12, 10733715), (15, 8586972), (17, 7576740), (18, 7155810), (20, 6440229), (27, 4770540), (30, 4293486), (34, 3788370), (36, 3577905), (45, 2862324), (51, 2525580), (54, 2385270), (60, 2146743), (68, 1894185), (81, 1590180), (85, 1515348), (90, 1431162), (102, 1262790), (108, 1192635), (135, 954108), (153, 841860), (162, 795090), (170, 757674), (180, 715581), (204, 631395), (243, 530060), (255, 505116), (270, 477054), (306, 420930), (324, 397545), (340, 378837), (405, 318036), (459, 280620), (486, 265030), (510, 252558), (540, 238527), (612, 210465), (765, 168372), (810, 159018), (918, 140310), (972, 132515), (1020, 126279), (1215, 106012), (1377, 93540), (1530, 84186), (1559, 82620), (1620, 79509), (1836, 70155), (2295, 56124), (2430, 53006), (2754, 46770), (3060, 42093), (3118, 41310), (4131, 31180), (4590, 28062), (4677, 27540), (4860, 26503), (5508, 23385), (6236, 20655), (6885, 18708), (7795, 16524), (8262, 15590), (9180, 14031), (9354, 13770)]