320653440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 192

約数和(自身を含む): 1117022400

約数和(自身を除く): 796368960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 179, 180, 192, 240, 288, 311, 320, 358, 360, 384, 480, 537, 576, 622, 640, 716, 720, 895, 933, 960, 1074, 1152, 1244, 1432, 1440, 1555, 1611, 1790, 1866, 1920, 2148, 2488, 2685, 2799, 2864, 2880, 3110, 3222, 3580, 3732, 4296, 4665, 4976, 5370, 5598, 5728, 5760, 6220, 6444, 7160, 7464, 8055, 8592, 9330, 9952, 10740, 11196, 11456, 12440, 12888, 13995, 14320, 14928, 16110, 17184, 18660, 19904, 21480, 22392, 22912, 24880, 25776, 27990, 28640, 29856, 32220, 34368, 37320, 39808, 42960, 44784, 49760, 51552, 55669, 55980, 57280, 59712, 64440, 68736, 74640, 85920, 89568, 99520, 103104, 111338, 111960, 114560, 119424, 128880, 149280, 167007, 171840, 179136, 199040, 206208, 222676, 223920, 257760, 278345, 298560, 334014, 343680, 358272, 445352, 447840, 501021, 515520, 556690, 597120, 668028, 835035, 890704, 895680, 1002042, 1031040, 1113380, 1336056, 1670070, 1781408, 1791360, 2004084, 2226760, 2505105, 2672112, 3340140, 3562816, 4008168, 4453520, 5010210, 5344224, 6680280, 7125632, 8016336, 8907040, 10020420, 10688448, 13360560, 16032672, 17814080, 20040840, 21376896, 26721120, 32065344, 35628160, 40081680, 53442240, 64130688, 80163360, 106884480, 160326720, 320653440]

約数ペア:

[(1, 320653440), (2, 160326720), (3, 106884480), (4, 80163360), (5, 64130688), (6, 53442240), (8, 40081680), (9, 35628160), (10, 32065344), (12, 26721120), (15, 21376896), (16, 20040840), (18, 17814080), (20, 16032672), (24, 13360560), (30, 10688448), (32, 10020420), (36, 8907040), (40, 8016336), (45, 7125632), (48, 6680280), (60, 5344224), (64, 5010210), (72, 4453520), (80, 4008168), (90, 3562816), (96, 3340140), (120, 2672112), (128, 2505105), (144, 2226760), (160, 2004084), (179, 1791360), (180, 1781408), (192, 1670070), (240, 1336056), (288, 1113380), (311, 1031040), (320, 1002042), (358, 895680), (360, 890704), (384, 835035), (480, 668028), (537, 597120), (576, 556690), (622, 515520), (640, 501021), (716, 447840), (720, 445352), (895, 358272), (933, 343680), (960, 334014), (1074, 298560), (1152, 278345), (1244, 257760), (1432, 223920), (1440, 222676), (1555, 206208), (1611, 199040), (1790, 179136), (1866, 171840), (1920, 167007), (2148, 149280), (2488, 128880), (2685, 119424), (2799, 114560), (2864, 111960), (2880, 111338), (3110, 103104), (3222, 99520), (3580, 89568), (3732, 85920), (4296, 74640), (4665, 68736), (4976, 64440), (5370, 59712), (5598, 57280), (5728, 55980), (5760, 55669), (6220, 51552), (6444, 49760), (7160, 44784), (7464, 42960), (8055, 39808), (8592, 37320), (9330, 34368), (9952, 32220), (10740, 29856), (11196, 28640), (11456, 27990), (12440, 25776), (12888, 24880), (13995, 22912), (14320, 22392), (14928, 21480), (16110, 19904), (17184, 18660)]