161311488

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 469760256

約数和(自身を除く): 308448768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 107, 128, 151, 156, 192, 208, 214, 256, 302, 312, 321, 384, 416, 428, 453, 604, 624, 642, 768, 832, 856, 906, 1208, 1248, 1284, 1391, 1664, 1712, 1812, 1963, 2416, 2496, 2568, 2782, 3328, 3424, 3624, 3926, 4173, 4832, 4992, 5136, 5564, 5889, 6848, 7248, 7852, 8346, 9664, 9984, 10272, 11128, 11778, 13696, 14496, 15704, 16157, 16692, 19328, 20544, 22256, 23556, 27392, 28992, 31408, 32314, 33384, 38656, 41088, 44512, 47112, 48471, 57984, 62816, 64628, 66768, 82176, 89024, 94224, 96942, 115968, 125632, 129256, 133536, 178048, 188448, 193884, 210041, 251264, 258512, 267072, 356096, 376896, 387768, 420082, 502528, 517024, 534144, 630123, 753792, 775536, 840164, 1034048, 1068288, 1260246, 1507584, 1551072, 1680328, 2068096, 2520492, 3102144, 3360656, 4136192, 5040984, 6204288, 6721312, 10081968, 12408576, 13442624, 20163936, 26885248, 40327872, 53770496, 80655744, 161311488]

約数ペア:

[(1, 161311488), (2, 80655744), (3, 53770496), (4, 40327872), (6, 26885248), (8, 20163936), (12, 13442624), (13, 12408576), (16, 10081968), (24, 6721312), (26, 6204288), (32, 5040984), (39, 4136192), (48, 3360656), (52, 3102144), (64, 2520492), (78, 2068096), (96, 1680328), (104, 1551072), (107, 1507584), (128, 1260246), (151, 1068288), (156, 1034048), (192, 840164), (208, 775536), (214, 753792), (256, 630123), (302, 534144), (312, 517024), (321, 502528), (384, 420082), (416, 387768), (428, 376896), (453, 356096), (604, 267072), (624, 258512), (642, 251264), (768, 210041), (832, 193884), (856, 188448), (906, 178048), (1208, 133536), (1248, 129256), (1284, 125632), (1391, 115968), (1664, 96942), (1712, 94224), (1812, 89024), (1963, 82176), (2416, 66768), (2496, 64628), (2568, 62816), (2782, 57984), (3328, 48471), (3424, 47112), (3624, 44512), (3926, 41088), (4173, 38656), (4832, 33384), (4992, 32314), (5136, 31408), (5564, 28992), (5889, 27392), (6848, 23556), (7248, 22256), (7852, 20544), (8346, 19328), (9664, 16692), (9984, 16157), (10272, 15704), (11128, 14496), (11778, 13696)]