131720904

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 428630400

約数和(自身を除く): 296909496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 81, 84, 108, 126, 142, 162, 168, 189, 213, 216, 252, 284, 324, 378, 409, 426, 497, 504, 567, 568, 639, 648, 756, 818, 852, 994, 1134, 1227, 1278, 1491, 1512, 1636, 1704, 1917, 1988, 2268, 2454, 2556, 2863, 2982, 3272, 3681, 3834, 3976, 4473, 4536, 4908, 5112, 5726, 5751, 5964, 7362, 7668, 8589, 8946, 9816, 11043, 11452, 11502, 11928, 13419, 14724, 15336, 17178, 17892, 22086, 22904, 23004, 25767, 26838, 29039, 29448, 33129, 34356, 35784, 40257, 44172, 46008, 51534, 53676, 58078, 66258, 68712, 77301, 80514, 87117, 88344, 103068, 107352, 116156, 132516, 154602, 161028, 174234, 203273, 206136, 231903, 232312, 261351, 265032, 309204, 322056, 348468, 406546, 463806, 522702, 609819, 618408, 696936, 784053, 813092, 927612, 1045404, 1219638, 1568106, 1626184, 1829457, 1855224, 2090808, 2352159, 2439276, 3136212, 3658914, 4704318, 4878552, 5488371, 6272424, 7317828, 9408636, 10976742, 14635656, 16465113, 18817272, 21953484, 32930226, 43906968, 65860452, 131720904]

約数ペア:

[(1, 131720904), (2, 65860452), (3, 43906968), (4, 32930226), (6, 21953484), (7, 18817272), (8, 16465113), (9, 14635656), (12, 10976742), (14, 9408636), (18, 7317828), (21, 6272424), (24, 5488371), (27, 4878552), (28, 4704318), (36, 3658914), (42, 3136212), (54, 2439276), (56, 2352159), (63, 2090808), (71, 1855224), (72, 1829457), (81, 1626184), (84, 1568106), (108, 1219638), (126, 1045404), (142, 927612), (162, 813092), (168, 784053), (189, 696936), (213, 618408), (216, 609819), (252, 522702), (284, 463806), (324, 406546), (378, 348468), (409, 322056), (426, 309204), (497, 265032), (504, 261351), (567, 232312), (568, 231903), (639, 206136), (648, 203273), (756, 174234), (818, 161028), (852, 154602), (994, 132516), (1134, 116156), (1227, 107352), (1278, 103068), (1491, 88344), (1512, 87117), (1636, 80514), (1704, 77301), (1917, 68712), (1988, 66258), (2268, 58078), (2454, 53676), (2556, 51534), (2863, 46008), (2982, 44172), (3272, 40257), (3681, 35784), (3834, 34356), (3976, 33129), (4473, 29448), (4536, 29039), (4908, 26838), (5112, 25767), (5726, 23004), (5751, 22904), (5964, 22086), (7362, 17892), (7668, 17178), (8589, 15336), (8946, 14724), (9816, 13419), (11043, 11928), (11452, 11502)]