About the Number
128809728
2進数表記:111101011010111101100000000
漢数字表記:一億二千八百八十万九千七百二十八
素因数分解:
素因数の和:1570
約数の個数: 108
約数和(自身を含む): 381680208
約数和(自身を除く): 252870480
約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 256, 288, 296, 333, 384, 444, 576, 592, 666, 768, 888, 1152, 1184, 1332, 1511, 1776, 2304, 2368, 2664, 3022, 3552, 4533, 4736, 5328, 6044, 7104, 9066, 9472, 10656, 12088, 13599, 14208, 18132, 21312, 24176, 27198, 28416, 36264, 42624, 48352, 54396, 55907, 72528, 85248, 96704, 108792, 111814, 145056, 167721, 193408, 217584, 223628, 290112, 335442, 386816, 435168, 447256, 503163, 580224, 670884, 870336, 894512, 1006326, 1160448, 1341768, 1740672, 1789024, 2012652, 2683536, 3481344, 3578048, 4025304, 5367072, 7156096, 8050608, 10734144, 14312192, 16101216, 21468288, 32202432, 42936576, 64404864, 128809728]
約数ペア:
[(1, 128809728), (2, 64404864), (3, 42936576), (4, 32202432), (6, 21468288), (8, 16101216), (9, 14312192), (12, 10734144), (16, 8050608), (18, 7156096), (24, 5367072), (32, 4025304), (36, 3578048), (37, 3481344), (48, 2683536), (64, 2012652), (72, 1789024), (74, 1740672), (96, 1341768), (111, 1160448), (128, 1006326), (144, 894512), (148, 870336), (192, 670884), (222, 580224), (256, 503163), (288, 447256), (296, 435168), (333, 386816), (384, 335442), (444, 290112), (576, 223628), (592, 217584), (666, 193408), (768, 167721), (888, 145056), (1152, 111814), (1184, 108792), (1332, 96704), (1511, 85248), (1776, 72528), (2304, 55907), (2368, 54396), (2664, 48352), (3022, 42624), (3552, 36264), (4533, 28416), (4736, 27198), (5328, 24176), (6044, 21312), (7104, 18132), (9066, 14208), (9472, 13599), (10656, 12088)]このpageの処理時間: 0.005817890167236328 seconds