121216256

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 307286784

約数和(自身を除く): 186070528

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 92, 112, 119, 128, 136, 161, 173, 184, 224, 238, 256, 272, 322, 346, 368, 391, 448, 476, 544, 644, 692, 736, 782, 896, 952, 1088, 1211, 1288, 1384, 1472, 1564, 1792, 1904, 2176, 2422, 2576, 2737, 2768, 2941, 2944, 3128, 3808, 3979, 4352, 4844, 5152, 5474, 5536, 5882, 5888, 6256, 7616, 7958, 9688, 10304, 10948, 11072, 11764, 12512, 15232, 15916, 19376, 20587, 20608, 21896, 22144, 23528, 25024, 27853, 30464, 31832, 38752, 41174, 41216, 43792, 44288, 47056, 50048, 55706, 63664, 67643, 77504, 82348, 87584, 94112, 100096, 111412, 127328, 135286, 155008, 164696, 175168, 188224, 222824, 254656, 270572, 310016, 329392, 350336, 376448, 445648, 473501, 509312, 541144, 658784, 700672, 752896, 891296, 947002, 1018624, 1082288, 1317568, 1782592, 1894004, 2164576, 2635136, 3565184, 3788008, 4329152, 5270272, 7130368, 7576016, 8658304, 15152032, 17316608, 30304064, 60608128, 121216256]

約数ペア:

[(1, 121216256), (2, 60608128), (4, 30304064), (7, 17316608), (8, 15152032), (14, 8658304), (16, 7576016), (17, 7130368), (23, 5270272), (28, 4329152), (32, 3788008), (34, 3565184), (46, 2635136), (56, 2164576), (64, 1894004), (68, 1782592), (92, 1317568), (112, 1082288), (119, 1018624), (128, 947002), (136, 891296), (161, 752896), (173, 700672), (184, 658784), (224, 541144), (238, 509312), (256, 473501), (272, 445648), (322, 376448), (346, 350336), (368, 329392), (391, 310016), (448, 270572), (476, 254656), (544, 222824), (644, 188224), (692, 175168), (736, 164696), (782, 155008), (896, 135286), (952, 127328), (1088, 111412), (1211, 100096), (1288, 94112), (1384, 87584), (1472, 82348), (1564, 77504), (1792, 67643), (1904, 63664), (2176, 55706), (2422, 50048), (2576, 47056), (2737, 44288), (2768, 43792), (2941, 41216), (2944, 41174), (3128, 38752), (3808, 31832), (3979, 30464), (4352, 27853), (4844, 25024), (5152, 23528), (5474, 22144), (5536, 21896), (5882, 20608), (5888, 20587), (6256, 19376), (7616, 15916), (7958, 15232), (9688, 12512), (10304, 11764), (10948, 11072)]