128195760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 240

約数和(自身を含む): 504824832

約数和(自身を除く): 376629072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 616, 660, 735, 770, 784, 840, 880, 924, 980, 991, 1078, 1155, 1176, 1232, 1320, 1470, 1540, 1617, 1680, 1848, 1960, 1982, 2156, 2310, 2352, 2640, 2695, 2940, 2973, 3080, 3234, 3696, 3920, 3964, 4312, 4620, 4955, 5390, 5880, 5946, 6160, 6468, 6937, 7928, 8085, 8624, 9240, 9910, 10780, 10901, 11760, 11892, 12936, 13874, 14865, 15856, 16170, 18480, 19820, 20811, 21560, 21802, 23784, 25872, 27748, 29730, 32340, 32703, 34685, 39640, 41622, 43120, 43604, 47568, 48559, 54505, 55496, 59460, 64680, 65406, 69370, 76307, 79280, 83244, 87208, 97118, 104055, 109010, 110992, 118920, 129360, 130812, 138740, 145677, 152614, 163515, 166488, 174416, 194236, 208110, 218020, 228921, 237840, 242795, 261624, 277480, 291354, 305228, 327030, 332976, 381535, 388472, 416220, 436040, 457842, 485590, 523248, 534149, 554960, 582708, 610456, 654060, 728385, 763070, 776944, 832440, 872080, 915684, 971180, 1068298, 1144605, 1165416, 1220912, 1308120, 1456770, 1526140, 1602447, 1664880, 1831368, 1942360, 2136596, 2289210, 2330832, 2616240, 2670745, 2913540, 3052280, 3204894, 3662736, 3884720, 4273192, 4578420, 5341490, 5827080, 6104560, 6409788, 8012235, 8546384, 9156840, 10682980, 11654160, 12819576, 16024470, 18313680, 21365960, 25639152, 32048940, 42731920, 64097880, 128195760]

約数ペア:

[(1, 128195760), (2, 64097880), (3, 42731920), (4, 32048940), (5, 25639152), (6, 21365960), (7, 18313680), (8, 16024470), (10, 12819576), (11, 11654160), (12, 10682980), (14, 9156840), (15, 8546384), (16, 8012235), (20, 6409788), (21, 6104560), (22, 5827080), (24, 5341490), (28, 4578420), (30, 4273192), (33, 3884720), (35, 3662736), (40, 3204894), (42, 3052280), (44, 2913540), (48, 2670745), (49, 2616240), (55, 2330832), (56, 2289210), (60, 2136596), (66, 1942360), (70, 1831368), (77, 1664880), (80, 1602447), (84, 1526140), (88, 1456770), (98, 1308120), (105, 1220912), (110, 1165416), (112, 1144605), (120, 1068298), (132, 971180), (140, 915684), (147, 872080), (154, 832440), (165, 776944), (168, 763070), (176, 728385), (196, 654060), (210, 610456), (220, 582708), (231, 554960), (240, 534149), (245, 523248), (264, 485590), (280, 457842), (294, 436040), (308, 416220), (330, 388472), (336, 381535), (385, 332976), (392, 327030), (420, 305228), (440, 291354), (462, 277480), (490, 261624), (528, 242795), (539, 237840), (560, 228921), (588, 218020), (616, 208110), (660, 194236), (735, 174416), (770, 166488), (784, 163515), (840, 152614), (880, 145677), (924, 138740), (980, 130812), (991, 129360), (1078, 118920), (1155, 110992), (1176, 109010), (1232, 104055), (1320, 97118), (1470, 87208), (1540, 83244), (1617, 79280), (1680, 76307), (1848, 69370), (1960, 65406), (1982, 64680), (2156, 59460), (2310, 55496), (2352, 54505), (2640, 48559), (2695, 47568), (2940, 43604), (2973, 43120), (3080, 41622), (3234, 39640), (3696, 34685), (3920, 32703), (3964, 32340), (4312, 29730), (4620, 27748), (4955, 25872), (5390, 23784), (5880, 21802), (5946, 21560), (6160, 20811), (6468, 19820), (6937, 18480), (7928, 16170), (8085, 15856), (8624, 14865), (9240, 13874), (9910, 12936), (10780, 11892), (10901, 11760)]