245160720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{6949}}^1$

素因数の和:6982

約数の個数: 180

約数和(自身を含む): 957890700

約数和(自身を除く): 712729980

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 6949, 7056, 8820, 11760, 13898, 17640, 20847, 27796, 34745, 35280, 41694, 48643, 55592, 62541, 69490, 83388, 97286, 104235, 111184, 125082, 138980, 145929, 166776, 194572, 208470, 243215, 250164, 277960, 291858, 312705, 333552, 340501, 389144, 416940, 437787, 486430, 500328, 555920, 583716, 625410, 681002, 729645, 778288, 833880, 875574, 972860, 1000656, 1021503, 1167432, 1250820, 1362004, 1459290, 1667760, 1702505, 1751148, 1945720, 2043006, 2188935, 2334864, 2501640, 2724008, 2918580, 3064509, 3405010, 3502296, 3891440, 4086012, 4377870, 5003280, 5107515, 5448016, 5837160, 6129018, 6810020, 7004592, 8172024, 8755740, 10215030, 11674320, 12258036, 13620040, 15322545, 16344048, 17511480, 20430060, 24516072, 27240080, 30645090, 35022960, 40860120, 49032144, 61290180, 81720240, 122580360, 245160720]

約数ペア:

[(1, 245160720), (2, 122580360), (3, 81720240), (4, 61290180), (5, 49032144), (6, 40860120), (7, 35022960), (8, 30645090), (9, 27240080), (10, 24516072), (12, 20430060), (14, 17511480), (15, 16344048), (16, 15322545), (18, 13620040), (20, 12258036), (21, 11674320), (24, 10215030), (28, 8755740), (30, 8172024), (35, 7004592), (36, 6810020), (40, 6129018), (42, 5837160), (45, 5448016), (48, 5107515), (49, 5003280), (56, 4377870), (60, 4086012), (63, 3891440), (70, 3502296), (72, 3405010), (80, 3064509), (84, 2918580), (90, 2724008), (98, 2501640), (105, 2334864), (112, 2188935), (120, 2043006), (126, 1945720), (140, 1751148), (144, 1702505), (147, 1667760), (168, 1459290), (180, 1362004), (196, 1250820), (210, 1167432), (240, 1021503), (245, 1000656), (252, 972860), (280, 875574), (294, 833880), (315, 778288), (336, 729645), (360, 681002), (392, 625410), (420, 583716), (441, 555920), (490, 500328), (504, 486430), (560, 437787), (588, 416940), (630, 389144), (720, 340501), (735, 333552), (784, 312705), (840, 291858), (882, 277960), (980, 250164), (1008, 243215), (1176, 208470), (1260, 194572), (1470, 166776), (1680, 145929), (1764, 138980), (1960, 125082), (2205, 111184), (2352, 104235), (2520, 97286), (2940, 83388), (3528, 69490), (3920, 62541), (4410, 55592), (5040, 48643), (5880, 41694), (6949, 35280), (7056, 34745), (8820, 27796), (11760, 20847), (13898, 17640)]