289045120

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:755

約数の個数: 192

約数和(自身を含む): 866867400

約数和(自身を除く): 577822280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 709, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1418, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2836, 2912, 3136, 3185, 3545, 3640, 3920, 4160, 4480, 4963, 5096, 5672, 5824, 6272, 6370, 7090, 7280, 7840, 8320, 9217, 9926, 10192, 11344, 11648, 12740, 14180, 14560, 15680, 18434, 19852, 20384, 22688, 24815, 25480, 28360, 29120, 31360, 34741, 36868, 39704, 40768, 45376, 46085, 49630, 50960, 56720, 58240, 64519, 69482, 73736, 79408, 81536, 90752, 92170, 99260, 101920, 113440, 129038, 138964, 147472, 158816, 173705, 184340, 198520, 203840, 226880, 258076, 277928, 294944, 317632, 322595, 347410, 368680, 397040, 407680, 451633, 453760, 516152, 555856, 589888, 635264, 645190, 694820, 737360, 794080, 903266, 1032304, 1111712, 1179776, 1290380, 1389640, 1474720, 1588160, 1806532, 2064608, 2223424, 2258165, 2580760, 2779280, 2949440, 3176320, 3613064, 4129216, 4446848, 4516330, 5161520, 5558560, 5898880, 7226128, 8258432, 9032660, 10323040, 11117120, 14452256, 18065320, 20646080, 22234240, 28904512, 36130640, 41292160, 57809024, 72261280, 144522560, 289045120]

約数ペア:

[(1, 289045120), (2, 144522560), (4, 72261280), (5, 57809024), (7, 41292160), (8, 36130640), (10, 28904512), (13, 22234240), (14, 20646080), (16, 18065320), (20, 14452256), (26, 11117120), (28, 10323040), (32, 9032660), (35, 8258432), (40, 7226128), (49, 5898880), (52, 5558560), (56, 5161520), (64, 4516330), (65, 4446848), (70, 4129216), (80, 3613064), (91, 3176320), (98, 2949440), (104, 2779280), (112, 2580760), (128, 2258165), (130, 2223424), (140, 2064608), (160, 1806532), (182, 1588160), (196, 1474720), (208, 1389640), (224, 1290380), (245, 1179776), (260, 1111712), (280, 1032304), (320, 903266), (364, 794080), (392, 737360), (416, 694820), (448, 645190), (455, 635264), (490, 589888), (520, 555856), (560, 516152), (637, 453760), (640, 451633), (709, 407680), (728, 397040), (784, 368680), (832, 347410), (896, 322595), (910, 317632), (980, 294944), (1040, 277928), (1120, 258076), (1274, 226880), (1418, 203840), (1456, 198520), (1568, 184340), (1664, 173705), (1820, 158816), (1960, 147472), (2080, 138964), (2240, 129038), (2548, 113440), (2836, 101920), (2912, 99260), (3136, 92170), (3185, 90752), (3545, 81536), (3640, 79408), (3920, 73736), (4160, 69482), (4480, 64519), (4963, 58240), (5096, 56720), (5672, 50960), (5824, 49630), (6272, 46085), (6370, 45376), (7090, 40768), (7280, 39704), (7840, 36868), (8320, 34741), (9217, 31360), (9926, 29120), (10192, 28360), (11344, 25480), (11648, 24815), (12740, 22688), (14180, 20384), (14560, 19852), (15680, 18434)]