641306880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 216

約数和(自身を含む): 2238425280

約数和(自身を除く): 1597118400

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, 256, 288, 311, 320, 358, 360, 384, 480, 537, 576, 622, 640, 716, 720, 768, 895, 933, 960, 1074, 1152, 1244, 1280, 1432, 1440, 1555, 1611, 1790, 1866, 1920, 2148, 2304, 2488, 2685, 2799, 2864, 2880, 3110, 3222, 3580, 3732, 3840, 4296, 4665, 4976, 5370, 5598, 5728, 5760, 6220, 6444, 7160, 7464, 8055, 8592, 9330, 9952, 10740, 11196, 11456, 11520, 12440, 12888, 13995, 14320, 14928, 16110, 17184, 18660, 19904, 21480, 22392, 22912, 24880, 25776, 27990, 28640, 29856, 32220, 34368, 37320, 39808, 42960, 44784, 45824, 49760, 51552, 55669, 55980, 57280, 59712, 64440, 68736, 74640, 79616, 85920, 89568, 99520, 103104, 111338, 111960, 114560, 119424, 128880, 137472, 149280, 167007, 171840, 179136, 199040, 206208, 222676, 223920, 229120, 238848, 257760, 278345, 298560, 334014, 343680, 358272, 398080, 412416, 445352, 447840, 501021, 515520, 556690, 597120, 668028, 687360, 716544, 835035, 890704, 895680, 1002042, 1031040, 1113380, 1194240, 1336056, 1670070, 1781408, 1791360, 2004084, 2062080, 2226760, 2505105, 2672112, 3340140, 3562816, 3582720, 4008168, 4453520, 5010210, 5344224, 6680280, 7125632, 8016336, 8907040, 10020420, 10688448, 13360560, 14251264, 16032672, 17814080, 20040840, 21376896, 26721120, 32065344, 35628160, 40081680, 42753792, 53442240, 64130688, 71256320, 80163360, 106884480, 128261376, 160326720, 213768960, 320653440, 641306880]

約数ペア:

[(1, 641306880), (2, 320653440), (3, 213768960), (4, 160326720), (5, 128261376), (6, 106884480), (8, 80163360), (9, 71256320), (10, 64130688), (12, 53442240), (15, 42753792), (16, 40081680), (18, 35628160), (20, 32065344), (24, 26721120), (30, 21376896), (32, 20040840), (36, 17814080), (40, 16032672), (45, 14251264), (48, 13360560), (60, 10688448), (64, 10020420), (72, 8907040), (80, 8016336), (90, 7125632), (96, 6680280), (120, 5344224), (128, 5010210), (144, 4453520), (160, 4008168), (179, 3582720), (180, 3562816), (192, 3340140), (240, 2672112), (256, 2505105), (288, 2226760), (311, 2062080), (320, 2004084), (358, 1791360), (360, 1781408), (384, 1670070), (480, 1336056), (537, 1194240), (576, 1113380), (622, 1031040), (640, 1002042), (716, 895680), (720, 890704), (768, 835035), (895, 716544), (933, 687360), (960, 668028), (1074, 597120), (1152, 556690), (1244, 515520), (1280, 501021), (1432, 447840), (1440, 445352), (1555, 412416), (1611, 398080), (1790, 358272), (1866, 343680), (1920, 334014), (2148, 298560), (2304, 278345), (2488, 257760), (2685, 238848), (2799, 229120), (2864, 223920), (2880, 222676), (3110, 206208), (3222, 199040), (3580, 179136), (3732, 171840), (3840, 167007), (4296, 149280), (4665, 137472), (4976, 128880), (5370, 119424), (5598, 114560), (5728, 111960), (5760, 111338), (6220, 103104), (6444, 99520), (7160, 89568), (7464, 85920), (8055, 79616), (8592, 74640), (9330, 68736), (9952, 64440), (10740, 59712), (11196, 57280), (11456, 55980), (11520, 55669), (12440, 51552), (12888, 49760), (13995, 45824), (14320, 44784), (14928, 42960), (16110, 39808), (17184, 37320), (18660, 34368), (19904, 32220), (21480, 29856), (22392, 28640), (22912, 27990), (24880, 25776)]