257738880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 256

約数和(自身を含む): 952565760

約数和(自身を除く): 694826880

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 151, 160, 168, 192, 210, 224, 240, 254, 280, 302, 320, 336, 381, 384, 420, 448, 453, 480, 508, 560, 604, 635, 640, 672, 755, 762, 840, 889, 896, 906, 960, 1016, 1057, 1120, 1208, 1270, 1344, 1510, 1524, 1680, 1778, 1812, 1905, 1920, 2032, 2114, 2240, 2265, 2416, 2540, 2667, 2688, 3020, 3048, 3171, 3360, 3556, 3624, 3810, 4064, 4228, 4445, 4480, 4530, 4832, 5080, 5285, 5334, 6040, 6096, 6342, 6720, 7112, 7248, 7620, 8128, 8456, 8890, 9060, 9664, 10160, 10570, 10668, 12080, 12192, 12684, 13335, 13440, 14224, 14496, 15240, 15855, 16256, 16912, 17780, 18120, 19177, 19328, 20320, 21140, 21336, 24160, 24384, 25368, 26670, 28448, 28992, 30480, 31710, 33824, 35560, 36240, 38354, 40640, 42280, 42672, 48320, 48768, 50736, 53340, 56896, 57531, 57984, 60960, 63420, 67648, 71120, 72480, 76708, 81280, 84560, 85344, 95885, 96640, 101472, 106680, 113792, 115062, 121920, 126840, 134239, 135296, 142240, 144960, 153416, 169120, 170688, 191770, 202944, 213360, 230124, 243840, 253680, 268478, 284480, 287655, 289920, 306832, 338240, 341376, 383540, 402717, 405888, 426720, 460248, 507360, 536956, 568960, 575310, 613664, 671195, 676480, 767080, 805434, 853440, 920496, 1014720, 1073912, 1150620, 1227328, 1342390, 1534160, 1610868, 1706880, 1840992, 2013585, 2029440, 2147824, 2301240, 2454656, 2684780, 3068320, 3221736, 3681984, 4027170, 4295648, 4602480, 5369560, 6136640, 6443472, 7363968, 8054340, 8591296, 9204960, 10739120, 12273280, 12886944, 16108680, 17182592, 18409920, 21478240, 25773888, 32217360, 36819840, 42956480, 51547776, 64434720, 85912960, 128869440, 257738880]

約数ペア:

[(1, 257738880), (2, 128869440), (3, 85912960), (4, 64434720), (5, 51547776), (6, 42956480), (7, 36819840), (8, 32217360), (10, 25773888), (12, 21478240), (14, 18409920), (15, 17182592), (16, 16108680), (20, 12886944), (21, 12273280), (24, 10739120), (28, 9204960), (30, 8591296), (32, 8054340), (35, 7363968), (40, 6443472), (42, 6136640), (48, 5369560), (56, 4602480), (60, 4295648), (64, 4027170), (70, 3681984), (80, 3221736), (84, 3068320), (96, 2684780), (105, 2454656), (112, 2301240), (120, 2147824), (127, 2029440), (128, 2013585), (140, 1840992), (151, 1706880), (160, 1610868), (168, 1534160), (192, 1342390), (210, 1227328), (224, 1150620), (240, 1073912), (254, 1014720), (280, 920496), (302, 853440), (320, 805434), (336, 767080), (381, 676480), (384, 671195), (420, 613664), (448, 575310), (453, 568960), (480, 536956), (508, 507360), (560, 460248), (604, 426720), (635, 405888), (640, 402717), (672, 383540), (755, 341376), (762, 338240), (840, 306832), (889, 289920), (896, 287655), (906, 284480), (960, 268478), (1016, 253680), (1057, 243840), (1120, 230124), (1208, 213360), (1270, 202944), (1344, 191770), (1510, 170688), (1524, 169120), (1680, 153416), (1778, 144960), (1812, 142240), (1905, 135296), (1920, 134239), (2032, 126840), (2114, 121920), (2240, 115062), (2265, 113792), (2416, 106680), (2540, 101472), (2667, 96640), (2688, 95885), (3020, 85344), (3048, 84560), (3171, 81280), (3360, 76708), (3556, 72480), (3624, 71120), (3810, 67648), (4064, 63420), (4228, 60960), (4445, 57984), (4480, 57531), (4530, 56896), (4832, 53340), (5080, 50736), (5285, 48768), (5334, 48320), (6040, 42672), (6096, 42280), (6342, 40640), (6720, 38354), (7112, 36240), (7248, 35560), (7620, 33824), (8128, 31710), (8456, 30480), (8890, 28992), (9060, 28448), (9664, 26670), (10160, 25368), (10570, 24384), (10668, 24160), (12080, 21336), (12192, 21140), (12684, 20320), (13335, 19328), (13440, 19177), (14224, 18120), (14496, 17780), (15240, 16912), (15855, 16256)]