131331456

素因数分解:

$2^7\times 3^4\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 160

約数和(自身を含む): 399880800

約数和(自身を除く): 268549344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 81, 96, 106, 108, 128, 144, 159, 162, 192, 212, 216, 239, 288, 318, 324, 384, 424, 432, 477, 478, 576, 636, 648, 717, 848, 864, 954, 956, 1152, 1272, 1296, 1431, 1434, 1696, 1728, 1908, 1912, 2151, 2544, 2592, 2862, 2868, 3392, 3456, 3816, 3824, 4293, 4302, 5088, 5184, 5724, 5736, 6453, 6784, 7632, 7648, 8586, 8604, 10176, 10368, 11448, 11472, 12667, 12906, 15264, 15296, 17172, 17208, 19359, 20352, 22896, 22944, 25334, 25812, 30528, 30592, 34344, 34416, 38001, 38718, 45792, 45888, 50668, 51624, 61056, 68688, 68832, 76002, 77436, 91584, 91776, 101336, 103248, 114003, 137376, 137664, 152004, 154872, 183168, 202672, 206496, 228006, 274752, 275328, 304008, 309744, 342009, 405344, 412992, 456012, 549504, 608016, 619488, 684018, 810688, 825984, 912024, 1026027, 1216032, 1238976, 1368036, 1621376, 1824048, 2052054, 2432064, 2477952, 2736072, 3648096, 4104108, 4864128, 5472144, 7296192, 8208216, 10944288, 14592384, 16416432, 21888576, 32832864, 43777152, 65665728, 131331456]

約数ペア:

[(1, 131331456), (2, 65665728), (3, 43777152), (4, 32832864), (6, 21888576), (8, 16416432), (9, 14592384), (12, 10944288), (16, 8208216), (18, 7296192), (24, 5472144), (27, 4864128), (32, 4104108), (36, 3648096), (48, 2736072), (53, 2477952), (54, 2432064), (64, 2052054), (72, 1824048), (81, 1621376), (96, 1368036), (106, 1238976), (108, 1216032), (128, 1026027), (144, 912024), (159, 825984), (162, 810688), (192, 684018), (212, 619488), (216, 608016), (239, 549504), (288, 456012), (318, 412992), (324, 405344), (384, 342009), (424, 309744), (432, 304008), (477, 275328), (478, 274752), (576, 228006), (636, 206496), (648, 202672), (717, 183168), (848, 154872), (864, 152004), (954, 137664), (956, 137376), (1152, 114003), (1272, 103248), (1296, 101336), (1431, 91776), (1434, 91584), (1696, 77436), (1728, 76002), (1908, 68832), (1912, 68688), (2151, 61056), (2544, 51624), (2592, 50668), (2862, 45888), (2868, 45792), (3392, 38718), (3456, 38001), (3816, 34416), (3824, 34344), (4293, 30592), (4302, 30528), (5088, 25812), (5184, 25334), (5724, 22944), (5736, 22896), (6453, 20352), (6784, 19359), (7632, 17208), (7648, 17172), (8586, 15296), (8604, 15264), (10176, 12906), (10368, 12667), (11448, 11472)]