131242720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 384725376

約数和(自身を除く): 253482656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 61, 68, 70, 80, 85, 112, 113, 119, 122, 136, 140, 160, 170, 224, 226, 238, 244, 272, 280, 305, 340, 427, 452, 476, 488, 544, 560, 565, 595, 610, 680, 791, 854, 904, 952, 976, 1037, 1120, 1130, 1190, 1220, 1360, 1582, 1708, 1808, 1904, 1921, 1952, 2074, 2135, 2260, 2380, 2440, 2720, 3164, 3416, 3616, 3808, 3842, 3955, 4148, 4270, 4520, 4760, 4880, 5185, 6328, 6832, 6893, 7259, 7684, 7910, 8296, 8540, 9040, 9520, 9605, 9760, 10370, 12656, 13447, 13664, 13786, 14518, 15368, 15820, 16592, 17080, 18080, 19040, 19210, 20740, 25312, 26894, 27572, 29036, 30736, 31640, 33184, 34160, 34465, 36295, 38420, 41480, 48251, 53788, 55144, 58072, 61472, 63280, 67235, 68320, 68930, 72590, 76840, 82960, 96502, 107576, 110288, 116144, 117181, 126560, 134470, 137860, 145180, 153680, 165920, 193004, 215152, 220576, 232288, 234362, 241255, 268940, 275720, 290360, 307360, 386008, 430304, 468724, 482510, 537880, 551440, 580720, 585905, 772016, 820267, 937448, 965020, 1075760, 1102880, 1161440, 1171810, 1544032, 1640534, 1874896, 1930040, 2151520, 2343620, 3281068, 3749792, 3860080, 4101335, 4687240, 6562136, 7720160, 8202670, 9374480, 13124272, 16405340, 18748960, 26248544, 32810680, 65621360, 131242720]

約数ペア:

[(1, 131242720), (2, 65621360), (4, 32810680), (5, 26248544), (7, 18748960), (8, 16405340), (10, 13124272), (14, 9374480), (16, 8202670), (17, 7720160), (20, 6562136), (28, 4687240), (32, 4101335), (34, 3860080), (35, 3749792), (40, 3281068), (56, 2343620), (61, 2151520), (68, 1930040), (70, 1874896), (80, 1640534), (85, 1544032), (112, 1171810), (113, 1161440), (119, 1102880), (122, 1075760), (136, 965020), (140, 937448), (160, 820267), (170, 772016), (224, 585905), (226, 580720), (238, 551440), (244, 537880), (272, 482510), (280, 468724), (305, 430304), (340, 386008), (427, 307360), (452, 290360), (476, 275720), (488, 268940), (544, 241255), (560, 234362), (565, 232288), (595, 220576), (610, 215152), (680, 193004), (791, 165920), (854, 153680), (904, 145180), (952, 137860), (976, 134470), (1037, 126560), (1120, 117181), (1130, 116144), (1190, 110288), (1220, 107576), (1360, 96502), (1582, 82960), (1708, 76840), (1808, 72590), (1904, 68930), (1921, 68320), (1952, 67235), (2074, 63280), (2135, 61472), (2260, 58072), (2380, 55144), (2440, 53788), (2720, 48251), (3164, 41480), (3416, 38420), (3616, 36295), (3808, 34465), (3842, 34160), (3955, 33184), (4148, 31640), (4270, 30736), (4520, 29036), (4760, 27572), (4880, 26894), (5185, 25312), (6328, 20740), (6832, 19210), (6893, 19040), (7259, 18080), (7684, 17080), (7910, 16592), (8296, 15820), (8540, 15368), (9040, 14518), (9520, 13786), (9605, 13664), (9760, 13447), (10370, 12656)]