819813120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{4357}}^1$

素因数の和:4395

約数の個数: 216

約数和(自身を含む): 3046451184

約数和(自身を除く): 2226638064

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, 4357, 4480, 4704, 5376, 5880, 6272, 6720, 7840, 8714, 8960, 9408, 11760, 12544, 13071, 13440, 15680, 17428, 18816, 21785, 23520, 26142, 26880, 30499, 31360, 34856, 37632, 43570, 47040, 52284, 60998, 62720, 65355, 69712, 87140, 91497, 94080, 104568, 121996, 130710, 139424, 152495, 174280, 182994, 188160, 209136, 213493, 243992, 261420, 278848, 304990, 348560, 365988, 418272, 426986, 457485, 487984, 522840, 557696, 609980, 640479, 697120, 731976, 836544, 853972, 914970, 975968, 1045680, 1067465, 1115392, 1219960, 1280958, 1394240, 1463952, 1673088, 1707944, 1829940, 1951936, 2091360, 2134930, 2439920, 2561916, 2788480, 2927904, 3202395, 3346176, 3415888, 3659880, 3903872, 4182720, 4269860, 4879840, 5123832, 5576960, 5855808, 6404790, 6831776, 7319760, 7807744, 8365440, 8539720, 9759680, 10247664, 11711616, 12809580, 13663552, 14639520, 16730880, 17079440, 19519360, 20495328, 23423232, 25619160, 27327104, 29279040, 34158880, 39038720, 40990656, 51238320, 54654208, 58558080, 68317760, 81981312, 102476640, 117116160, 136635520, 163962624, 204953280, 273271040, 409906560, 819813120]

約数ペア:

[(1, 819813120), (2, 409906560), (3, 273271040), (4, 204953280), (5, 163962624), (6, 136635520), (7, 117116160), (8, 102476640), (10, 81981312), (12, 68317760), (14, 58558080), (15, 54654208), (16, 51238320), (20, 40990656), (21, 39038720), (24, 34158880), (28, 29279040), (30, 27327104), (32, 25619160), (35, 23423232), (40, 20495328), (42, 19519360), (48, 17079440), (49, 16730880), (56, 14639520), (60, 13663552), (64, 12809580), (70, 11711616), (80, 10247664), (84, 9759680), (96, 8539720), (98, 8365440), (105, 7807744), (112, 7319760), (120, 6831776), (128, 6404790), (140, 5855808), (147, 5576960), (160, 5123832), (168, 4879840), (192, 4269860), (196, 4182720), (210, 3903872), (224, 3659880), (240, 3415888), (245, 3346176), (256, 3202395), (280, 2927904), (294, 2788480), (320, 2561916), (336, 2439920), (384, 2134930), (392, 2091360), (420, 1951936), (448, 1829940), (480, 1707944), (490, 1673088), (560, 1463952), (588, 1394240), (640, 1280958), (672, 1219960), (735, 1115392), (768, 1067465), (784, 1045680), (840, 975968), (896, 914970), (960, 853972), (980, 836544), (1120, 731976), (1176, 697120), (1280, 640479), (1344, 609980), (1470, 557696), (1568, 522840), (1680, 487984), (1792, 457485), (1920, 426986), (1960, 418272), (2240, 365988), (2352, 348560), (2688, 304990), (2940, 278848), (3136, 261420), (3360, 243992), (3840, 213493), (3920, 209136), (4357, 188160), (4480, 182994), (4704, 174280), (5376, 152495), (5880, 139424), (6272, 130710), (6720, 121996), (7840, 104568), (8714, 94080), (8960, 91497), (9408, 87140), (11760, 69712), (12544, 65355), (13071, 62720), (13440, 60998), (15680, 52284), (17428, 47040), (18816, 43570), (21785, 37632), (23520, 34856), (26142, 31360), (26880, 30499)]