1278991560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1556

約数の個数: 256

約数和(自身を含む): 4836464640

約数和(自身を除く): 3557473080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 97, 105, 110, 120, 132, 140, 154, 165, 168, 194, 210, 220, 231, 264, 280, 291, 308, 330, 385, 388, 420, 440, 462, 485, 582, 616, 660, 679, 770, 776, 840, 924, 970, 1067, 1155, 1164, 1320, 1358, 1427, 1455, 1540, 1848, 1940, 2037, 2134, 2310, 2328, 2716, 2854, 2910, 3080, 3201, 3395, 3880, 4074, 4268, 4281, 4620, 5335, 5432, 5708, 5820, 6402, 6790, 7135, 7469, 8148, 8536, 8562, 9240, 9989, 10185, 10670, 11416, 11640, 12804, 13580, 14270, 14938, 15697, 16005, 16296, 17124, 19978, 20370, 21340, 21405, 22407, 25608, 27160, 28540, 29876, 29967, 31394, 32010, 34248, 37345, 39956, 40740, 42680, 42810, 44814, 47091, 49945, 57080, 59752, 59934, 62788, 64020, 74690, 78485, 79912, 81480, 85620, 89628, 94182, 99890, 109879, 112035, 119868, 125576, 128040, 138419, 149380, 149835, 156970, 171240, 179256, 188364, 199780, 219758, 224070, 235455, 239736, 276838, 298760, 299670, 313940, 329637, 376728, 399560, 415257, 439516, 448140, 470910, 549395, 553676, 599340, 627880, 659274, 692095, 830514, 879032, 896280, 941820, 968933, 1098790, 1107352, 1198680, 1318548, 1384190, 1522609, 1648185, 1661028, 1883640, 1937866, 2076285, 2197580, 2637096, 2768380, 2906799, 3045218, 3296370, 3322056, 3875732, 4152570, 4395160, 4567827, 4844665, 5536760, 5813598, 6090436, 6592740, 7613045, 7751464, 8305140, 9135654, 9689330, 10658263, 11627196, 12180872, 13185480, 14533995, 15226090, 16610280, 18271308, 19378660, 21316526, 22839135, 23254392, 29067990, 30452180, 31974789, 36542616, 38757320, 42633052, 45678270, 53291315, 58135980, 60904360, 63949578, 85266104, 91356540, 106582630, 116271960, 127899156, 159873945, 182713080, 213165260, 255798312, 319747890, 426330520, 639495780, 1278991560]

約数ペア:

[(1, 1278991560), (2, 639495780), (3, 426330520), (4, 319747890), (5, 255798312), (6, 213165260), (7, 182713080), (8, 159873945), (10, 127899156), (11, 116271960), (12, 106582630), (14, 91356540), (15, 85266104), (20, 63949578), (21, 60904360), (22, 58135980), (24, 53291315), (28, 45678270), (30, 42633052), (33, 38757320), (35, 36542616), (40, 31974789), (42, 30452180), (44, 29067990), (55, 23254392), (56, 22839135), (60, 21316526), (66, 19378660), (70, 18271308), (77, 16610280), (84, 15226090), (88, 14533995), (97, 13185480), (105, 12180872), (110, 11627196), (120, 10658263), (132, 9689330), (140, 9135654), (154, 8305140), (165, 7751464), (168, 7613045), (194, 6592740), (210, 6090436), (220, 5813598), (231, 5536760), (264, 4844665), (280, 4567827), (291, 4395160), (308, 4152570), (330, 3875732), (385, 3322056), (388, 3296370), (420, 3045218), (440, 2906799), (462, 2768380), (485, 2637096), (582, 2197580), (616, 2076285), (660, 1937866), (679, 1883640), (770, 1661028), (776, 1648185), (840, 1522609), (924, 1384190), (970, 1318548), (1067, 1198680), (1155, 1107352), (1164, 1098790), (1320, 968933), (1358, 941820), (1427, 896280), (1455, 879032), (1540, 830514), (1848, 692095), (1940, 659274), (2037, 627880), (2134, 599340), (2310, 553676), (2328, 549395), (2716, 470910), (2854, 448140), (2910, 439516), (3080, 415257), (3201, 399560), (3395, 376728), (3880, 329637), (4074, 313940), (4268, 299670), (4281, 298760), (4620, 276838), (5335, 239736), (5432, 235455), (5708, 224070), (5820, 219758), (6402, 199780), (6790, 188364), (7135, 179256), (7469, 171240), (8148, 156970), (8536, 149835), (8562, 149380), (9240, 138419), (9989, 128040), (10185, 125576), (10670, 119868), (11416, 112035), (11640, 109879), (12804, 99890), (13580, 94182), (14270, 89628), (14938, 85620), (15697, 81480), (16005, 79912), (16296, 78485), (17124, 74690), (19978, 64020), (20370, 62788), (21340, 59934), (21405, 59752), (22407, 57080), (25608, 49945), (27160, 47091), (28540, 44814), (29876, 42810), (29967, 42680), (31394, 40740), (32010, 39956), (34248, 37345)]