1290213120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{6857}}^1$

素因数の和:6895

約数の個数: 216

約数和(自身を含む): 4794071184

約数和(自身を除く): 3503858064

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, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 6857, 7840, 8960, 9408, 11760, 12544, 13440, 13714, 15680, 18816, 20571, 23520, 26880, 27428, 31360, 34285, 37632, 41142, 47040, 47999, 54856, 62720, 68570, 82284, 94080, 95998, 102855, 109712, 137140, 143997, 164568, 188160, 191996, 205710, 219424, 239995, 274280, 287994, 329136, 335993, 383992, 411420, 438848, 479990, 548560, 575988, 658272, 671986, 719985, 767984, 822840, 877696, 959980, 1007979, 1097120, 1151976, 1316544, 1343972, 1439970, 1535968, 1645680, 1679965, 1755392, 1919960, 2015958, 2194240, 2303952, 2633088, 2687944, 2879940, 3071936, 3291360, 3359930, 3839920, 4031916, 4388480, 4607904, 5039895, 5266176, 5375888, 5759880, 6143872, 6582720, 6719860, 7679840, 8063832, 8776960, 9215808, 10079790, 10751776, 11519760, 12287744, 13165440, 13439720, 15359680, 16127664, 18431616, 20159580, 21503552, 23039520, 26330880, 26879440, 30719360, 32255328, 36863232, 40319160, 43007104, 46079040, 53758880, 61438720, 64510656, 80638320, 86014208, 92158080, 107517760, 129021312, 161276640, 184316160, 215035520, 258042624, 322553280, 430071040, 645106560, 1290213120]

約数ペア:

[(1, 1290213120), (2, 645106560), (3, 430071040), (4, 322553280), (5, 258042624), (6, 215035520), (7, 184316160), (8, 161276640), (10, 129021312), (12, 107517760), (14, 92158080), (15, 86014208), (16, 80638320), (20, 64510656), (21, 61438720), (24, 53758880), (28, 46079040), (30, 43007104), (32, 40319160), (35, 36863232), (40, 32255328), (42, 30719360), (48, 26879440), (49, 26330880), (56, 23039520), (60, 21503552), (64, 20159580), (70, 18431616), (80, 16127664), (84, 15359680), (96, 13439720), (98, 13165440), (105, 12287744), (112, 11519760), (120, 10751776), (128, 10079790), (140, 9215808), (147, 8776960), (160, 8063832), (168, 7679840), (192, 6719860), (196, 6582720), (210, 6143872), (224, 5759880), (240, 5375888), (245, 5266176), (256, 5039895), (280, 4607904), (294, 4388480), (320, 4031916), (336, 3839920), (384, 3359930), (392, 3291360), (420, 3071936), (448, 2879940), (480, 2687944), (490, 2633088), (560, 2303952), (588, 2194240), (640, 2015958), (672, 1919960), (735, 1755392), (768, 1679965), (784, 1645680), (840, 1535968), (896, 1439970), (960, 1343972), (980, 1316544), (1120, 1151976), (1176, 1097120), (1280, 1007979), (1344, 959980), (1470, 877696), (1568, 822840), (1680, 767984), (1792, 719985), (1920, 671986), (1960, 658272), (2240, 575988), (2352, 548560), (2688, 479990), (2940, 438848), (3136, 411420), (3360, 383992), (3840, 335993), (3920, 329136), (4480, 287994), (4704, 274280), (5376, 239995), (5880, 219424), (6272, 205710), (6720, 191996), (6857, 188160), (7840, 164568), (8960, 143997), (9408, 137140), (11760, 109712), (12544, 102855), (13440, 95998), (13714, 94080), (15680, 82284), (18816, 68570), (20571, 62720), (23520, 54856), (26880, 47999), (27428, 47040), (31360, 41142), (34285, 37632)]