261131040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{20149}}^1$

素因数の和:20176

約数の個数: 120

約数和(自身を含む): 921620700

約数和(自身を除く): 660489660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 20149, 40298, 60447, 80596, 100745, 120894, 161192, 181341, 201490, 241788, 302235, 322384, 362682, 402980, 483576, 544023, 604470, 644768, 725364, 805960, 906705, 967152, 1088046, 1208940, 1450728, 1611920, 1632069, 1813410, 1934304, 2176092, 2417880, 2720115, 2901456, 3223840, 3264138, 3626820, 4352184, 4835760, 5440230, 5802912, 6528276, 7253640, 8160345, 8704368, 9671520, 10880460, 13056552, 14507280, 16320690, 17408736, 21760920, 26113104, 29014560, 32641380, 43521840, 52226208, 65282760, 87043680, 130565520, 261131040]

約数ペア:

[(1, 261131040), (2, 130565520), (3, 87043680), (4, 65282760), (5, 52226208), (6, 43521840), (8, 32641380), (9, 29014560), (10, 26113104), (12, 21760920), (15, 17408736), (16, 16320690), (18, 14507280), (20, 13056552), (24, 10880460), (27, 9671520), (30, 8704368), (32, 8160345), (36, 7253640), (40, 6528276), (45, 5802912), (48, 5440230), (54, 4835760), (60, 4352184), (72, 3626820), (80, 3264138), (81, 3223840), (90, 2901456), (96, 2720115), (108, 2417880), (120, 2176092), (135, 1934304), (144, 1813410), (160, 1632069), (162, 1611920), (180, 1450728), (216, 1208940), (240, 1088046), (270, 967152), (288, 906705), (324, 805960), (360, 725364), (405, 644768), (432, 604470), (480, 544023), (540, 483576), (648, 402980), (720, 362682), (810, 322384), (864, 302235), (1080, 241788), (1296, 201490), (1440, 181341), (1620, 161192), (2160, 120894), (2592, 100745), (3240, 80596), (4320, 60447), (6480, 40298), (12960, 20149)]