64887680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 128

約数和(自身を含む): 182498400

約数和(自身を除く): 117610720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 709, 715, 832, 880, 1040, 1144, 1408, 1418, 1430, 1664, 1760, 2080, 2288, 2836, 2860, 3520, 3545, 4160, 4576, 5672, 5720, 7040, 7090, 7799, 8320, 9152, 9217, 11344, 11440, 14180, 15598, 18304, 18434, 22688, 22880, 28360, 31196, 36868, 38995, 45376, 45760, 46085, 56720, 62392, 73736, 77990, 90752, 91520, 92170, 101387, 113440, 124784, 147472, 155980, 184340, 202774, 226880, 249568, 294944, 311960, 368680, 405548, 453760, 499136, 506935, 589888, 623920, 737360, 811096, 998272, 1013870, 1179776, 1247840, 1474720, 1622192, 2027740, 2495680, 2949440, 3244384, 4055480, 4991360, 5898880, 6488768, 8110960, 12977536, 16221920, 32443840, 64887680]

約数ペア:

[(1, 64887680), (2, 32443840), (4, 16221920), (5, 12977536), (8, 8110960), (10, 6488768), (11, 5898880), (13, 4991360), (16, 4055480), (20, 3244384), (22, 2949440), (26, 2495680), (32, 2027740), (40, 1622192), (44, 1474720), (52, 1247840), (55, 1179776), (64, 1013870), (65, 998272), (80, 811096), (88, 737360), (104, 623920), (110, 589888), (128, 506935), (130, 499136), (143, 453760), (160, 405548), (176, 368680), (208, 311960), (220, 294944), (260, 249568), (286, 226880), (320, 202774), (352, 184340), (416, 155980), (440, 147472), (520, 124784), (572, 113440), (640, 101387), (704, 92170), (709, 91520), (715, 90752), (832, 77990), (880, 73736), (1040, 62392), (1144, 56720), (1408, 46085), (1418, 45760), (1430, 45376), (1664, 38995), (1760, 36868), (2080, 31196), (2288, 28360), (2836, 22880), (2860, 22688), (3520, 18434), (3545, 18304), (4160, 15598), (4576, 14180), (5672, 11440), (5720, 11344), (7040, 9217), (7090, 9152), (7799, 8320)]