81868416

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 267444000

約数和(自身を除く): 185575584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 76, 84, 96, 98, 112, 114, 128, 133, 147, 152, 168, 192, 196, 224, 228, 229, 266, 294, 304, 336, 384, 392, 399, 448, 456, 458, 532, 588, 608, 672, 687, 784, 798, 896, 912, 916, 931, 1064, 1176, 1216, 1344, 1374, 1568, 1596, 1603, 1824, 1832, 1862, 2128, 2352, 2432, 2688, 2748, 2793, 3136, 3192, 3206, 3648, 3664, 3724, 4256, 4351, 4704, 4809, 5496, 5586, 6272, 6384, 6412, 7296, 7328, 7448, 8512, 8702, 9408, 9618, 10992, 11172, 11221, 12768, 12824, 13053, 14656, 14896, 17024, 17404, 18816, 19236, 21984, 22344, 22442, 25536, 25648, 26106, 29312, 29792, 30457, 33663, 34808, 38472, 43968, 44688, 44884, 51072, 51296, 52212, 59584, 60914, 67326, 69616, 76944, 87936, 89376, 89768, 91371, 102592, 104424, 119168, 121828, 134652, 139232, 153888, 178752, 179536, 182742, 205184, 208848, 213199, 243656, 269304, 278464, 307776, 357504, 359072, 365484, 417696, 426398, 487312, 538608, 556928, 615552, 639597, 718144, 730968, 835392, 852796, 974624, 1077216, 1279194, 1436288, 1461936, 1670784, 1705592, 1949248, 2154432, 2558388, 2923872, 3411184, 3898496, 4308864, 5116776, 5847744, 6822368, 10233552, 11695488, 13644736, 20467104, 27289472, 40934208, 81868416]

約数ペア:

[(1, 81868416), (2, 40934208), (3, 27289472), (4, 20467104), (6, 13644736), (7, 11695488), (8, 10233552), (12, 6822368), (14, 5847744), (16, 5116776), (19, 4308864), (21, 3898496), (24, 3411184), (28, 2923872), (32, 2558388), (38, 2154432), (42, 1949248), (48, 1705592), (49, 1670784), (56, 1461936), (57, 1436288), (64, 1279194), (76, 1077216), (84, 974624), (96, 852796), (98, 835392), (112, 730968), (114, 718144), (128, 639597), (133, 615552), (147, 556928), (152, 538608), (168, 487312), (192, 426398), (196, 417696), (224, 365484), (228, 359072), (229, 357504), (266, 307776), (294, 278464), (304, 269304), (336, 243656), (384, 213199), (392, 208848), (399, 205184), (448, 182742), (456, 179536), (458, 178752), (532, 153888), (588, 139232), (608, 134652), (672, 121828), (687, 119168), (784, 104424), (798, 102592), (896, 91371), (912, 89768), (916, 89376), (931, 87936), (1064, 76944), (1176, 69616), (1216, 67326), (1344, 60914), (1374, 59584), (1568, 52212), (1596, 51296), (1603, 51072), (1824, 44884), (1832, 44688), (1862, 43968), (2128, 38472), (2352, 34808), (2432, 33663), (2688, 30457), (2748, 29792), (2793, 29312), (3136, 26106), (3192, 25648), (3206, 25536), (3648, 22442), (3664, 22344), (3724, 21984), (4256, 19236), (4351, 18816), (4704, 17404), (4809, 17024), (5496, 14896), (5586, 14656), (6272, 13053), (6384, 12824), (6412, 12768), (7296, 11221), (7328, 11172), (7448, 10992), (8512, 9618), (8702, 9408)]