131672320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 349744752

約数和(自身を除く): 218072432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 193, 205, 208, 256, 260, 320, 328, 386, 410, 416, 520, 533, 640, 656, 772, 820, 832, 965, 1040, 1066, 1280, 1312, 1544, 1640, 1664, 1930, 2080, 2132, 2509, 2624, 2665, 3088, 3280, 3328, 3860, 4160, 4264, 5018, 5248, 5330, 6176, 6560, 7720, 7913, 8320, 8528, 10036, 10496, 10660, 12352, 12545, 13120, 15440, 15826, 16640, 17056, 20072, 21320, 24704, 25090, 26240, 30880, 31652, 34112, 39565, 40144, 42640, 49408, 50180, 52480, 61760, 63304, 68224, 79130, 80288, 85280, 100360, 102869, 123520, 126608, 136448, 158260, 160576, 170560, 200720, 205738, 247040, 253216, 316520, 321152, 341120, 401440, 411476, 506432, 514345, 633040, 642304, 682240, 802880, 822952, 1012864, 1028690, 1266080, 1605760, 1645904, 2025728, 2057380, 2532160, 3211520, 3291808, 4114760, 5064320, 6583616, 8229520, 10128640, 13167232, 16459040, 26334464, 32918080, 65836160, 131672320]

約数ペア:

[(1, 131672320), (2, 65836160), (4, 32918080), (5, 26334464), (8, 16459040), (10, 13167232), (13, 10128640), (16, 8229520), (20, 6583616), (26, 5064320), (32, 4114760), (40, 3291808), (41, 3211520), (52, 2532160), (64, 2057380), (65, 2025728), (80, 1645904), (82, 1605760), (104, 1266080), (128, 1028690), (130, 1012864), (160, 822952), (164, 802880), (193, 682240), (205, 642304), (208, 633040), (256, 514345), (260, 506432), (320, 411476), (328, 401440), (386, 341120), (410, 321152), (416, 316520), (520, 253216), (533, 247040), (640, 205738), (656, 200720), (772, 170560), (820, 160576), (832, 158260), (965, 136448), (1040, 126608), (1066, 123520), (1280, 102869), (1312, 100360), (1544, 85280), (1640, 80288), (1664, 79130), (1930, 68224), (2080, 63304), (2132, 61760), (2509, 52480), (2624, 50180), (2665, 49408), (3088, 42640), (3280, 40144), (3328, 39565), (3860, 34112), (4160, 31652), (4264, 30880), (5018, 26240), (5248, 25090), (5330, 24704), (6176, 21320), (6560, 20072), (7720, 17056), (7913, 16640), (8320, 15826), (8528, 15440), (10036, 13120), (10496, 12545), (10660, 12352)]