247025520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 240

約数和(自身を含む): 989793792

約数和(自身を除く): 742768272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2131, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4262, 4830, 5040, 5520, 5796, 6393, 6440, 7245, 7728, 8280, 8524, 9660, 10655, 11592, 12786, 12880, 14490, 14917, 16560, 17048, 19179, 19320, 21310, 23184, 25572, 28980, 29834, 31965, 34096, 38358, 38640, 42620, 44751, 49013, 51144, 57960, 59668, 63930, 74585, 76716, 85240, 89502, 95895, 98026, 102288, 115920, 119336, 127860, 134253, 147039, 149170, 153432, 170480, 179004, 191790, 196052, 223755, 238672, 245065, 255720, 268506, 294078, 298340, 306864, 343091, 358008, 383580, 392104, 441117, 447510, 490130, 511440, 537012, 588156, 596680, 671265, 686182, 716016, 735195, 767160, 784208, 882234, 895020, 980260, 1029273, 1074024, 1176312, 1193360, 1342530, 1372364, 1470390, 1534320, 1715455, 1764468, 1790040, 1960520, 2058546, 2148048, 2205585, 2352624, 2685060, 2744728, 2940780, 3087819, 3430910, 3528936, 3580080, 3921040, 4117092, 4411170, 5146365, 5370120, 5489456, 5881560, 6175638, 6861820, 7057872, 8234184, 8822340, 10292730, 10740240, 11763120, 12351276, 13723640, 15439095, 16468368, 17644680, 20585460, 24702552, 27447280, 30878190, 35289360, 41170920, 49405104, 61756380, 82341840, 123512760, 247025520]

約数ペア:

[(1, 247025520), (2, 123512760), (3, 82341840), (4, 61756380), (5, 49405104), (6, 41170920), (7, 35289360), (8, 30878190), (9, 27447280), (10, 24702552), (12, 20585460), (14, 17644680), (15, 16468368), (16, 15439095), (18, 13723640), (20, 12351276), (21, 11763120), (23, 10740240), (24, 10292730), (28, 8822340), (30, 8234184), (35, 7057872), (36, 6861820), (40, 6175638), (42, 5881560), (45, 5489456), (46, 5370120), (48, 5146365), (56, 4411170), (60, 4117092), (63, 3921040), (69, 3580080), (70, 3528936), (72, 3430910), (80, 3087819), (84, 2940780), (90, 2744728), (92, 2685060), (105, 2352624), (112, 2205585), (115, 2148048), (120, 2058546), (126, 1960520), (138, 1790040), (140, 1764468), (144, 1715455), (161, 1534320), (168, 1470390), (180, 1372364), (184, 1342530), (207, 1193360), (210, 1176312), (230, 1074024), (240, 1029273), (252, 980260), (276, 895020), (280, 882234), (315, 784208), (322, 767160), (336, 735195), (345, 716016), (360, 686182), (368, 671265), (414, 596680), (420, 588156), (460, 537012), (483, 511440), (504, 490130), (552, 447510), (560, 441117), (630, 392104), (644, 383580), (690, 358008), (720, 343091), (805, 306864), (828, 298340), (840, 294078), (920, 268506), (966, 255720), (1008, 245065), (1035, 238672), (1104, 223755), (1260, 196052), (1288, 191790), (1380, 179004), (1449, 170480), (1610, 153432), (1656, 149170), (1680, 147039), (1840, 134253), (1932, 127860), (2070, 119336), (2131, 115920), (2415, 102288), (2520, 98026), (2576, 95895), (2760, 89502), (2898, 85240), (3220, 76716), (3312, 74585), (3864, 63930), (4140, 59668), (4262, 57960), (4830, 51144), (5040, 49013), (5520, 44751), (5796, 42620), (6393, 38640), (6440, 38358), (7245, 34096), (7728, 31965), (8280, 29834), (8524, 28980), (9660, 25572), (10655, 23184), (11592, 21310), (12786, 19320), (12880, 19179), (14490, 17048), (14917, 16560)]