257940641280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{685429}}^1$

素因数の和:685469

約数の個数: 240

約数和(自身を含む): 959234609520

約数和(自身を除く): 701293968240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2560, 2688, 2940, 3136, 3360, 3584, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 7680, 7840, 8960, 9408, 10752, 11760, 12544, 13440, 15680, 17920, 18816, 23520, 25088, 26880, 31360, 37632, 47040, 53760, 62720, 75264, 94080, 125440, 188160, 376320, 685429, 1370858, 2056287, 2741716, 3427145, 4112574, 4798003, 5483432, 6854290, 8225148, 9596006, 10281435, 10966864, 13708580, 14394009, 16450296, 19192012, 20562870, 21933728, 23990015, 27417160, 28788018, 32900592, 33586021, 38384024, 41125740, 43867456, 47980030, 54834320, 57576036, 65801184, 67172042, 71970045, 76768048, 82251480, 87734912, 95960060, 100758063, 109668640, 115152072, 131602368, 134344084, 143940090, 153536096, 164502960, 167930105, 175469824, 191920120, 201516126, 219337280, 230304144, 263204736, 268688168, 287880180, 307072192, 329005920, 335860210, 350939648, 383840240, 403032252, 438674560, 460608288, 503790315, 526409472, 537376336, 575760360, 614144384, 658011840, 671720420, 767680480, 806064504, 877349120, 921216576, 1007580630, 1052818944, 1074752672, 1151520720, 1228288768, 1316023680, 1343440840, 1535360960, 1612129008, 1754698240, 1842433152, 2015161260, 2149505344, 2303041440, 2456577536, 2632047360, 2686881680, 3070721920, 3224258016, 3684866304, 4030322520, 4299010688, 4606082880, 5264094720, 5373763360, 6141443840, 6448516032, 7369732608, 8060645040, 8598021376, 9212165760, 10747526720, 12282887680, 12897032064, 16121290080, 17196042752, 18424331520, 21495053440, 25794064128, 32242580160, 36848663040, 42990106880, 51588128256, 64485160320, 85980213760, 128970320640, 257940641280]

約数ペア:

[(1, 257940641280), (2, 128970320640), (3, 85980213760), (4, 64485160320), (5, 51588128256), (6, 42990106880), (7, 36848663040), (8, 32242580160), (10, 25794064128), (12, 21495053440), (14, 18424331520), (15, 17196042752), (16, 16121290080), (20, 12897032064), (21, 12282887680), (24, 10747526720), (28, 9212165760), (30, 8598021376), (32, 8060645040), (35, 7369732608), (40, 6448516032), (42, 6141443840), (48, 5373763360), (49, 5264094720), (56, 4606082880), (60, 4299010688), (64, 4030322520), (70, 3684866304), (80, 3224258016), (84, 3070721920), (96, 2686881680), (98, 2632047360), (105, 2456577536), (112, 2303041440), (120, 2149505344), (128, 2015161260), (140, 1842433152), (147, 1754698240), (160, 1612129008), (168, 1535360960), (192, 1343440840), (196, 1316023680), (210, 1228288768), (224, 1151520720), (240, 1074752672), (245, 1052818944), (256, 1007580630), (280, 921216576), (294, 877349120), (320, 806064504), (336, 767680480), (384, 671720420), (392, 658011840), (420, 614144384), (448, 575760360), (480, 537376336), (490, 526409472), (512, 503790315), (560, 460608288), (588, 438674560), (640, 403032252), (672, 383840240), (735, 350939648), (768, 335860210), (784, 329005920), (840, 307072192), (896, 287880180), (960, 268688168), (980, 263204736), (1120, 230304144), (1176, 219337280), (1280, 201516126), (1344, 191920120), (1470, 175469824), (1536, 167930105), (1568, 164502960), (1680, 153536096), (1792, 143940090), (1920, 134344084), (1960, 131602368), (2240, 115152072), (2352, 109668640), (2560, 100758063), (2688, 95960060), (2940, 87734912), (3136, 82251480), (3360, 76768048), (3584, 71970045), (3840, 67172042), (3920, 65801184), (4480, 57576036), (4704, 54834320), (5376, 47980030), (5880, 43867456), (6272, 41125740), (6720, 38384024), (7680, 33586021), (7840, 32900592), (8960, 28788018), (9408, 27417160), (10752, 23990015), (11760, 21933728), (12544, 20562870), (13440, 19192012), (15680, 16450296), (17920, 14394009), (18816, 13708580), (23520, 10966864), (25088, 10281435), (26880, 9596006), (31360, 8225148), (37632, 6854290), (47040, 5483432), (53760, 4798003), (62720, 4112574), (75264, 3427145), (94080, 2741716), (125440, 2056287), (188160, 1370858), (376320, 685429)]