257097120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 288

約数和(自身を含む): 999044928

約数和(自身を除く): 741947808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 96, 98, 102, 105, 112, 119, 120, 136, 140, 147, 160, 168, 170, 196, 204, 210, 224, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 480, 490, 510, 544, 560, 588, 595, 643, 672, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1120, 1176, 1190, 1286, 1360, 1428, 1470, 1568, 1632, 1666, 1680, 1785, 1904, 1929, 1960, 2040, 2352, 2380, 2499, 2572, 2720, 2856, 2940, 3215, 3332, 3360, 3570, 3808, 3858, 3920, 4080, 4165, 4501, 4704, 4760, 4998, 5144, 5712, 5880, 6430, 6664, 7140, 7716, 7840, 8160, 8330, 9002, 9520, 9645, 9996, 10288, 10931, 11424, 11760, 12495, 12860, 13328, 13503, 14280, 15432, 16660, 18004, 19040, 19290, 19992, 20576, 21862, 22505, 23520, 24990, 25720, 26656, 27006, 28560, 30864, 31507, 32793, 33320, 36008, 38580, 39984, 43724, 45010, 49980, 51440, 54012, 54655, 57120, 61728, 63014, 65586, 66640, 67515, 72016, 76517, 77160, 79968, 87448, 90020, 94521, 99960, 102880, 108024, 109310, 126028, 131172, 133280, 135030, 144032, 153034, 154320, 157535, 163965, 174896, 180040, 189042, 199920, 216048, 218620, 229551, 252056, 262344, 270060, 306068, 308640, 315070, 327930, 349792, 360080, 378084, 382585, 399840, 432096, 437240, 459102, 472605, 504112, 524688, 535619, 540120, 612136, 630140, 655860, 720160, 756168, 765170, 874480, 918204, 945210, 1008224, 1049376, 1071238, 1080240, 1147755, 1224272, 1260280, 1311720, 1512336, 1530340, 1606857, 1748960, 1836408, 1890420, 2142476, 2160480, 2295510, 2448544, 2520560, 2623440, 2678095, 3024672, 3060680, 3213714, 3672816, 3780840, 4284952, 4591020, 5041120, 5246880, 5356190, 6121360, 6427428, 7345632, 7561680, 8034285, 8569904, 9182040, 10712380, 12242720, 12854856, 15123360, 16068570, 17139808, 18364080, 21424760, 25709712, 32137140, 36728160, 42849520, 51419424, 64274280, 85699040, 128548560, 257097120]

約数ペア:

[(1, 257097120), (2, 128548560), (3, 85699040), (4, 64274280), (5, 51419424), (6, 42849520), (7, 36728160), (8, 32137140), (10, 25709712), (12, 21424760), (14, 18364080), (15, 17139808), (16, 16068570), (17, 15123360), (20, 12854856), (21, 12242720), (24, 10712380), (28, 9182040), (30, 8569904), (32, 8034285), (34, 7561680), (35, 7345632), (40, 6427428), (42, 6121360), (48, 5356190), (49, 5246880), (51, 5041120), (56, 4591020), (60, 4284952), (68, 3780840), (70, 3672816), (80, 3213714), (84, 3060680), (85, 3024672), (96, 2678095), (98, 2623440), (102, 2520560), (105, 2448544), (112, 2295510), (119, 2160480), (120, 2142476), (136, 1890420), (140, 1836408), (147, 1748960), (160, 1606857), (168, 1530340), (170, 1512336), (196, 1311720), (204, 1260280), (210, 1224272), (224, 1147755), (238, 1080240), (240, 1071238), (245, 1049376), (255, 1008224), (272, 945210), (280, 918204), (294, 874480), (336, 765170), (340, 756168), (357, 720160), (392, 655860), (408, 630140), (420, 612136), (476, 540120), (480, 535619), (490, 524688), (510, 504112), (544, 472605), (560, 459102), (588, 437240), (595, 432096), (643, 399840), (672, 382585), (680, 378084), (714, 360080), (735, 349792), (784, 327930), (816, 315070), (833, 308640), (840, 306068), (952, 270060), (980, 262344), (1020, 252056), (1120, 229551), (1176, 218620), (1190, 216048), (1286, 199920), (1360, 189042), (1428, 180040), (1470, 174896), (1568, 163965), (1632, 157535), (1666, 154320), (1680, 153034), (1785, 144032), (1904, 135030), (1929, 133280), (1960, 131172), (2040, 126028), (2352, 109310), (2380, 108024), (2499, 102880), (2572, 99960), (2720, 94521), (2856, 90020), (2940, 87448), (3215, 79968), (3332, 77160), (3360, 76517), (3570, 72016), (3808, 67515), (3858, 66640), (3920, 65586), (4080, 63014), (4165, 61728), (4501, 57120), (4704, 54655), (4760, 54012), (4998, 51440), (5144, 49980), (5712, 45010), (5880, 43724), (6430, 39984), (6664, 38580), (7140, 36008), (7716, 33320), (7840, 32793), (8160, 31507), (8330, 30864), (9002, 28560), (9520, 27006), (9645, 26656), (9996, 25720), (10288, 24990), (10931, 23520), (11424, 22505), (11760, 21862), (12495, 20576), (12860, 19992), (13328, 19290), (13503, 19040), (14280, 18004), (15432, 16660)]