205213680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2188

約数の個数: 240

約数和(自身を含む): 829470720

約数和(自身を除く): 624257040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2143, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4286, 4560, 4788, 5040, 5320, 5985, 6384, 6429, 6840, 7980, 8572, 9576, 10640, 10715, 11970, 12858, 13680, 15001, 15960, 17144, 19152, 19287, 21430, 23940, 25716, 30002, 31920, 32145, 34288, 38574, 40717, 42860, 45003, 47880, 51432, 60004, 64290, 75005, 77148, 81434, 85720, 90006, 95760, 96435, 102864, 120008, 122151, 128580, 135009, 150010, 154296, 162868, 171440, 180012, 192870, 203585, 225015, 240016, 244302, 257160, 270018, 285019, 300020, 308592, 325736, 360024, 366453, 385740, 407170, 450030, 488604, 514320, 540036, 570038, 600040, 610755, 651472, 675045, 720048, 732906, 771480, 814340, 855057, 900060, 977208, 1080072, 1140076, 1200080, 1221510, 1350090, 1425095, 1465812, 1542960, 1628680, 1710114, 1800120, 1832265, 1954416, 2160144, 2280152, 2443020, 2565171, 2700180, 2850190, 2931624, 3257360, 3420228, 3600240, 3664530, 4275285, 4560304, 4886040, 5130342, 5400360, 5700380, 5863248, 6840456, 7329060, 8550570, 9772080, 10260684, 10800720, 11400760, 12825855, 13680912, 14658120, 17101140, 20521368, 22801520, 25651710, 29316240, 34202280, 41042736, 51303420, 68404560, 102606840, 205213680]

約数ペア:

[(1, 205213680), (2, 102606840), (3, 68404560), (4, 51303420), (5, 41042736), (6, 34202280), (7, 29316240), (8, 25651710), (9, 22801520), (10, 20521368), (12, 17101140), (14, 14658120), (15, 13680912), (16, 12825855), (18, 11400760), (19, 10800720), (20, 10260684), (21, 9772080), (24, 8550570), (28, 7329060), (30, 6840456), (35, 5863248), (36, 5700380), (38, 5400360), (40, 5130342), (42, 4886040), (45, 4560304), (48, 4275285), (56, 3664530), (57, 3600240), (60, 3420228), (63, 3257360), (70, 2931624), (72, 2850190), (76, 2700180), (80, 2565171), (84, 2443020), (90, 2280152), (95, 2160144), (105, 1954416), (112, 1832265), (114, 1800120), (120, 1710114), (126, 1628680), (133, 1542960), (140, 1465812), (144, 1425095), (152, 1350090), (168, 1221510), (171, 1200080), (180, 1140076), (190, 1080072), (210, 977208), (228, 900060), (240, 855057), (252, 814340), (266, 771480), (280, 732906), (285, 720048), (304, 675045), (315, 651472), (336, 610755), (342, 600040), (360, 570038), (380, 540036), (399, 514320), (420, 488604), (456, 450030), (504, 407170), (532, 385740), (560, 366453), (570, 360024), (630, 325736), (665, 308592), (684, 300020), (720, 285019), (760, 270018), (798, 257160), (840, 244302), (855, 240016), (912, 225015), (1008, 203585), (1064, 192870), (1140, 180012), (1197, 171440), (1260, 162868), (1330, 154296), (1368, 150010), (1520, 135009), (1596, 128580), (1680, 122151), (1710, 120008), (1995, 102864), (2128, 96435), (2143, 95760), (2280, 90006), (2394, 85720), (2520, 81434), (2660, 77148), (2736, 75005), (3192, 64290), (3420, 60004), (3990, 51432), (4286, 47880), (4560, 45003), (4788, 42860), (5040, 40717), (5320, 38574), (5985, 34288), (6384, 32145), (6429, 31920), (6840, 30002), (7980, 25716), (8572, 23940), (9576, 21430), (10640, 19287), (10715, 19152), (11970, 17144), (12858, 15960), (13680, 15001)]