256041720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 384

約数和(自身を含む): 990662400

約数和(自身を除く): 734620680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 41, 44, 45, 55, 57, 60, 66, 72, 76, 82, 83, 88, 90, 95, 99, 110, 114, 120, 123, 132, 152, 164, 165, 166, 171, 180, 190, 198, 205, 209, 220, 228, 246, 249, 264, 285, 328, 330, 332, 342, 360, 369, 380, 396, 410, 415, 418, 440, 451, 456, 492, 495, 498, 570, 615, 627, 660, 664, 684, 738, 747, 760, 779, 792, 820, 830, 836, 855, 902, 913, 984, 990, 996, 1045, 1140, 1230, 1245, 1254, 1320, 1353, 1368, 1476, 1494, 1558, 1577, 1640, 1660, 1672, 1710, 1804, 1826, 1845, 1881, 1980, 1992, 2090, 2255, 2280, 2337, 2460, 2490, 2508, 2706, 2739, 2952, 2988, 3116, 3135, 3154, 3320, 3403, 3420, 3608, 3652, 3690, 3735, 3762, 3895, 3960, 4059, 4180, 4510, 4565, 4674, 4731, 4920, 4980, 5016, 5412, 5478, 5976, 6232, 6270, 6308, 6765, 6806, 6840, 7011, 7304, 7380, 7470, 7524, 7790, 7885, 8118, 8217, 8360, 8569, 9020, 9130, 9348, 9405, 9462, 9960, 10209, 10824, 10956, 11685, 12540, 12616, 13530, 13612, 13695, 14022, 14193, 14760, 14940, 15048, 15580, 15770, 16236, 16434, 17015, 17138, 17347, 18040, 18260, 18696, 18810, 18924, 20295, 20418, 21912, 23370, 23655, 25080, 25707, 27060, 27224, 27390, 28044, 28386, 29880, 30627, 31160, 31540, 32472, 32868, 34030, 34276, 34694, 35055, 36520, 37433, 37620, 37848, 40590, 40836, 41085, 42845, 46740, 47310, 51045, 51414, 52041, 54120, 54780, 56088, 56772, 61254, 63080, 64657, 65736, 68060, 68552, 69388, 70110, 70965, 74866, 75240, 77121, 81180, 81672, 82170, 85690, 86735, 93480, 94620, 102090, 102828, 104082, 109560, 112299, 113544, 122508, 128535, 129314, 136120, 138776, 140220, 141930, 149732, 153135, 154242, 156123, 162360, 164340, 171380, 173470, 187165, 189240, 193971, 204180, 205656, 208164, 224598, 245016, 257070, 258628, 260205, 280440, 283860, 299464, 306270, 308484, 312246, 323285, 328680, 336897, 342760, 346940, 374330, 385605, 387942, 408360, 416328, 449196, 514140, 517256, 520410, 561495, 567720, 581913, 612540, 616968, 624492, 646570, 673794, 693880, 711227, 748660, 771210, 775884, 780615, 898392, 969855, 1028280, 1040820, 1122990, 1163826, 1225080, 1248984, 1293140, 1347588, 1422454, 1497320, 1542420, 1551768, 1561230, 1684485, 1939710, 2081640, 2133681, 2245980, 2327652, 2586280, 2695176, 2844908, 2909565, 3084840, 3122460, 3368970, 3556135, 3879420, 4267362, 4491960, 4655304, 5689816, 5819130, 6244920, 6401043, 6737940, 7112270, 7758840, 8534724, 10668405, 11638260, 12802086, 13475880, 14224540, 17069448, 21336810, 23276520, 25604172, 28449080, 32005215, 42673620, 51208344, 64010430, 85347240, 128020860, 256041720]

約数ペア:

[(1, 256041720), (2, 128020860), (3, 85347240), (4, 64010430), (5, 51208344), (6, 42673620), (8, 32005215), (9, 28449080), (10, 25604172), (11, 23276520), (12, 21336810), (15, 17069448), (18, 14224540), (19, 13475880), (20, 12802086), (22, 11638260), (24, 10668405), (30, 8534724), (33, 7758840), (36, 7112270), (38, 6737940), (40, 6401043), (41, 6244920), (44, 5819130), (45, 5689816), (55, 4655304), (57, 4491960), (60, 4267362), (66, 3879420), (72, 3556135), (76, 3368970), (82, 3122460), (83, 3084840), (88, 2909565), (90, 2844908), (95, 2695176), (99, 2586280), (110, 2327652), (114, 2245980), (120, 2133681), (123, 2081640), (132, 1939710), (152, 1684485), (164, 1561230), (165, 1551768), (166, 1542420), (171, 1497320), (180, 1422454), (190, 1347588), (198, 1293140), (205, 1248984), (209, 1225080), (220, 1163826), (228, 1122990), (246, 1040820), (249, 1028280), (264, 969855), (285, 898392), (328, 780615), (330, 775884), (332, 771210), (342, 748660), (360, 711227), (369, 693880), (380, 673794), (396, 646570), (410, 624492), (415, 616968), (418, 612540), (440, 581913), (451, 567720), (456, 561495), (492, 520410), (495, 517256), (498, 514140), (570, 449196), (615, 416328), (627, 408360), (660, 387942), (664, 385605), (684, 374330), (738, 346940), (747, 342760), (760, 336897), (779, 328680), (792, 323285), (820, 312246), (830, 308484), (836, 306270), (855, 299464), (902, 283860), (913, 280440), (984, 260205), (990, 258628), (996, 257070), (1045, 245016), (1140, 224598), (1230, 208164), (1245, 205656), (1254, 204180), (1320, 193971), (1353, 189240), (1368, 187165), (1476, 173470), (1494, 171380), (1558, 164340), (1577, 162360), (1640, 156123), (1660, 154242), (1672, 153135), (1710, 149732), (1804, 141930), (1826, 140220), (1845, 138776), (1881, 136120), (1980, 129314), (1992, 128535), (2090, 122508), (2255, 113544), (2280, 112299), (2337, 109560), (2460, 104082), (2490, 102828), (2508, 102090), (2706, 94620), (2739, 93480), (2952, 86735), (2988, 85690), (3116, 82170), (3135, 81672), (3154, 81180), (3320, 77121), (3403, 75240), (3420, 74866), (3608, 70965), (3652, 70110), (3690, 69388), (3735, 68552), (3762, 68060), (3895, 65736), (3960, 64657), (4059, 63080), (4180, 61254), (4510, 56772), (4565, 56088), (4674, 54780), (4731, 54120), (4920, 52041), (4980, 51414), (5016, 51045), (5412, 47310), (5478, 46740), (5976, 42845), (6232, 41085), (6270, 40836), (6308, 40590), (6765, 37848), (6806, 37620), (6840, 37433), (7011, 36520), (7304, 35055), (7380, 34694), (7470, 34276), (7524, 34030), (7790, 32868), (7885, 32472), (8118, 31540), (8217, 31160), (8360, 30627), (8569, 29880), (9020, 28386), (9130, 28044), (9348, 27390), (9405, 27224), (9462, 27060), (9960, 25707), (10209, 25080), (10824, 23655), (10956, 23370), (11685, 21912), (12540, 20418), (12616, 20295), (13530, 18924), (13612, 18810), (13695, 18696), (14022, 18260), (14193, 18040), (14760, 17347), (14940, 17138), (15048, 17015), (15580, 16434), (15770, 16236)]