64090880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 183665664

約数和(自身を除く): 119574784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 311, 320, 322, 368, 448, 460, 560, 622, 640, 644, 736, 805, 896, 920, 1120, 1244, 1280, 1288, 1472, 1555, 1610, 1792, 1840, 2177, 2240, 2488, 2576, 2944, 3110, 3220, 3680, 4354, 4480, 4976, 5152, 5888, 6220, 6440, 7153, 7360, 8708, 8960, 9952, 10304, 10885, 12440, 12880, 14306, 14720, 17416, 19904, 20608, 21770, 24880, 25760, 28612, 29440, 34832, 35765, 39808, 41216, 43540, 49760, 50071, 51520, 57224, 69664, 71530, 79616, 87080, 99520, 100142, 103040, 114448, 139328, 143060, 174160, 199040, 200284, 206080, 228896, 250355, 278656, 286120, 348320, 398080, 400568, 457792, 500710, 557312, 572240, 696640, 801136, 915584, 1001420, 1144480, 1393280, 1602272, 1831168, 2002840, 2288960, 2786560, 3204544, 4005680, 4577920, 6409088, 8011360, 9155840, 12818176, 16022720, 32045440, 64090880]

約数ペア:

[(1, 64090880), (2, 32045440), (4, 16022720), (5, 12818176), (7, 9155840), (8, 8011360), (10, 6409088), (14, 4577920), (16, 4005680), (20, 3204544), (23, 2786560), (28, 2288960), (32, 2002840), (35, 1831168), (40, 1602272), (46, 1393280), (56, 1144480), (64, 1001420), (70, 915584), (80, 801136), (92, 696640), (112, 572240), (115, 557312), (128, 500710), (140, 457792), (160, 400568), (161, 398080), (184, 348320), (224, 286120), (230, 278656), (256, 250355), (280, 228896), (311, 206080), (320, 200284), (322, 199040), (368, 174160), (448, 143060), (460, 139328), (560, 114448), (622, 103040), (640, 100142), (644, 99520), (736, 87080), (805, 79616), (896, 71530), (920, 69664), (1120, 57224), (1244, 51520), (1280, 50071), (1288, 49760), (1472, 43540), (1555, 41216), (1610, 39808), (1792, 35765), (1840, 34832), (2177, 29440), (2240, 28612), (2488, 25760), (2576, 24880), (2944, 21770), (3110, 20608), (3220, 19904), (3680, 17416), (4354, 14720), (4480, 14306), (4976, 12880), (5152, 12440), (5888, 10885), (6220, 10304), (6440, 9952), (7153, 8960), (7360, 8708)]