131201280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1661

約数の個数: 216

約数和(自身を含む): 519110592

約数和(自身を除く): 387909312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1627, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3254, 3360, 3840, 4032, 4480, 4881, 5040, 5376, 5760, 6508, 6720, 8064, 8135, 8960, 9762, 10080, 11389, 11520, 13016, 13440, 14643, 16128, 16270, 19524, 20160, 22778, 24405, 26032, 26880, 29286, 32540, 34167, 39048, 40320, 45556, 48810, 52064, 56945, 58572, 65080, 68334, 73215, 78096, 80640, 91112, 97620, 102501, 104128, 113890, 117144, 130160, 136668, 146430, 156192, 170835, 182224, 195240, 205002, 208256, 227780, 234288, 260320, 273336, 292860, 312384, 341670, 364448, 390480, 410004, 416512, 455560, 468576, 512505, 520640, 546672, 585720, 624768, 683340, 728896, 780960, 820008, 911120, 937152, 1025010, 1041280, 1093344, 1171440, 1249536, 1366680, 1457792, 1561920, 1640016, 1822240, 1874304, 2050020, 2082560, 2186688, 2342880, 2733360, 2915584, 3123840, 3280032, 3644480, 3748608, 4100040, 4373376, 4685760, 5466720, 6247680, 6560064, 7288960, 8200080, 8746752, 9371520, 10933440, 13120128, 14577920, 16400160, 18743040, 21866880, 26240256, 32800320, 43733760, 65600640, 131201280]

約数ペア:

[(1, 131201280), (2, 65600640), (3, 43733760), (4, 32800320), (5, 26240256), (6, 21866880), (7, 18743040), (8, 16400160), (9, 14577920), (10, 13120128), (12, 10933440), (14, 9371520), (15, 8746752), (16, 8200080), (18, 7288960), (20, 6560064), (21, 6247680), (24, 5466720), (28, 4685760), (30, 4373376), (32, 4100040), (35, 3748608), (36, 3644480), (40, 3280032), (42, 3123840), (45, 2915584), (48, 2733360), (56, 2342880), (60, 2186688), (63, 2082560), (64, 2050020), (70, 1874304), (72, 1822240), (80, 1640016), (84, 1561920), (90, 1457792), (96, 1366680), (105, 1249536), (112, 1171440), (120, 1093344), (126, 1041280), (128, 1025010), (140, 937152), (144, 911120), (160, 820008), (168, 780960), (180, 728896), (192, 683340), (210, 624768), (224, 585720), (240, 546672), (252, 520640), (256, 512505), (280, 468576), (288, 455560), (315, 416512), (320, 410004), (336, 390480), (360, 364448), (384, 341670), (420, 312384), (448, 292860), (480, 273336), (504, 260320), (560, 234288), (576, 227780), (630, 208256), (640, 205002), (672, 195240), (720, 182224), (768, 170835), (840, 156192), (896, 146430), (960, 136668), (1008, 130160), (1120, 117144), (1152, 113890), (1260, 104128), (1280, 102501), (1344, 97620), (1440, 91112), (1627, 80640), (1680, 78096), (1792, 73215), (1920, 68334), (2016, 65080), (2240, 58572), (2304, 56945), (2520, 52064), (2688, 48810), (2880, 45556), (3254, 40320), (3360, 39048), (3840, 34167), (4032, 32540), (4480, 29286), (4881, 26880), (5040, 26032), (5376, 24405), (5760, 22778), (6508, 20160), (6720, 19524), (8064, 16270), (8135, 16128), (8960, 14643), (9762, 13440), (10080, 13016), (11389, 11520)]