258418160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 240

約数和(自身を含む): 822884832

約数和(自身を除く): 564466672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 176, 182, 196, 208, 220, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 461, 490, 520, 539, 560, 572, 616, 637, 715, 728, 770, 784, 880, 910, 922, 980, 1001, 1040, 1078, 1144, 1232, 1274, 1430, 1456, 1540, 1820, 1844, 1960, 2002, 2156, 2288, 2305, 2548, 2695, 2860, 3080, 3185, 3227, 3640, 3688, 3920, 4004, 4312, 4610, 5005, 5071, 5096, 5390, 5720, 5993, 6160, 6370, 6454, 7007, 7280, 7376, 8008, 8624, 9220, 10010, 10142, 10192, 10780, 11440, 11986, 12740, 12908, 14014, 16016, 16135, 18440, 20020, 20284, 21560, 22589, 23972, 25355, 25480, 25816, 28028, 29965, 32270, 35035, 35497, 36880, 40040, 40568, 41951, 43120, 45178, 47944, 50710, 50960, 51632, 56056, 59930, 64540, 65923, 70070, 70994, 80080, 81136, 83902, 90356, 95888, 101420, 112112, 112945, 119860, 129080, 131846, 140140, 141988, 167804, 177485, 180712, 202840, 209755, 225890, 239720, 248479, 258160, 263692, 280280, 283976, 293657, 329615, 335608, 354970, 361424, 405680, 419510, 451780, 461461, 479440, 496958, 527384, 560560, 567952, 587314, 659230, 671216, 709940, 839020, 903560, 922922, 993916, 1054768, 1174628, 1242395, 1318460, 1419880, 1468285, 1678040, 1807120, 1845844, 1987832, 2307305, 2349256, 2484790, 2636920, 2839760, 2936570, 3230227, 3356080, 3691688, 3975664, 4614610, 4698512, 4969580, 5273840, 5873140, 6460454, 7383376, 9229220, 9939160, 11746280, 12920908, 16151135, 18458440, 19878320, 23492560, 25841816, 32302270, 36916880, 51683632, 64604540, 129209080, 258418160]

約数ペア:

[(1, 258418160), (2, 129209080), (4, 64604540), (5, 51683632), (7, 36916880), (8, 32302270), (10, 25841816), (11, 23492560), (13, 19878320), (14, 18458440), (16, 16151135), (20, 12920908), (22, 11746280), (26, 9939160), (28, 9229220), (35, 7383376), (40, 6460454), (44, 5873140), (49, 5273840), (52, 4969580), (55, 4698512), (56, 4614610), (65, 3975664), (70, 3691688), (77, 3356080), (80, 3230227), (88, 2936570), (91, 2839760), (98, 2636920), (104, 2484790), (110, 2349256), (112, 2307305), (130, 1987832), (140, 1845844), (143, 1807120), (154, 1678040), (176, 1468285), (182, 1419880), (196, 1318460), (208, 1242395), (220, 1174628), (245, 1054768), (260, 993916), (280, 922922), (286, 903560), (308, 839020), (364, 709940), (385, 671216), (392, 659230), (440, 587314), (455, 567952), (461, 560560), (490, 527384), (520, 496958), (539, 479440), (560, 461461), (572, 451780), (616, 419510), (637, 405680), (715, 361424), (728, 354970), (770, 335608), (784, 329615), (880, 293657), (910, 283976), (922, 280280), (980, 263692), (1001, 258160), (1040, 248479), (1078, 239720), (1144, 225890), (1232, 209755), (1274, 202840), (1430, 180712), (1456, 177485), (1540, 167804), (1820, 141988), (1844, 140140), (1960, 131846), (2002, 129080), (2156, 119860), (2288, 112945), (2305, 112112), (2548, 101420), (2695, 95888), (2860, 90356), (3080, 83902), (3185, 81136), (3227, 80080), (3640, 70994), (3688, 70070), (3920, 65923), (4004, 64540), (4312, 59930), (4610, 56056), (5005, 51632), (5071, 50960), (5096, 50710), (5390, 47944), (5720, 45178), (5993, 43120), (6160, 41951), (6370, 40568), (6454, 40040), (7007, 36880), (7280, 35497), (7376, 35035), (8008, 32270), (8624, 29965), (9220, 28028), (10010, 25816), (10142, 25480), (10192, 25355), (10780, 23972), (11440, 22589), (11986, 21560), (12740, 20284), (12908, 20020), (14014, 18440), (16016, 16135)]