About the Number

128782080

128782079 ← → 128782081

2進数表記:111101011010000111100000000

漢数字表記:一億二千八百七十八万二千八十

素因数分解:

2 8 × 3 2 × 5 1 × 7 1 × 1597 1

素因数の和:1631
約数の個数: 216
約数和(自身を含む): 509544672
約数和(自身を除く): 380762592

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1597, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3194, 3360, 3840, 4032, 4480, 4791, 5040, 5376, 5760, 6388, 6720, 7985, 8064, 8960, 9582, 10080, 11179, 11520, 12776, 13440, 14373, 15970, 16128, 19164, 20160, 22358, 23955, 25552, 26880, 28746, 31940, 33537, 38328, 40320, 44716, 47910, 51104, 55895, 57492, 63880, 67074, 71865, 76656, 80640, 89432, 95820, 100611, 102208, 111790, 114984, 127760, 134148, 143730, 153312, 167685, 178864, 191640, 201222, 204416, 223580, 229968, 255520, 268296, 287460, 306624, 335370, 357728, 383280, 402444, 408832, 447160, 459936, 503055, 511040, 536592, 574920, 613248, 670740, 715456, 766560, 804888, 894320, 919872, 1006110, 1022080, 1073184, 1149840, 1226496, 1341480, 1430912, 1533120, 1609776, 1788640, 1839744, 2012220, 2044160, 2146368, 2299680, 2682960, 2861824, 3066240, 3219552, 3577280, 3679488, 4024440, 4292736, 4599360, 5365920, 6132480, 6439104, 7154560, 8048880, 8585472, 9198720, 10731840, 12878208, 14309120, 16097760, 18397440, 21463680, 25756416, 32195520, 42927360, 64391040, 128782080]

約数ペア:
[(1, 128782080), (2, 64391040), (3, 42927360), (4, 32195520), (5, 25756416), (6, 21463680), (7, 18397440), (8, 16097760), (9, 14309120), (10, 12878208), (12, 10731840), (14, 9198720), (15, 8585472), (16, 8048880), (18, 7154560), (20, 6439104), (21, 6132480), (24, 5365920), (28, 4599360), (30, 4292736), (32, 4024440), (35, 3679488), (36, 3577280), (40, 3219552), (42, 3066240), (45, 2861824), (48, 2682960), (56, 2299680), (60, 2146368), (63, 2044160), (64, 2012220), (70, 1839744), (72, 1788640), (80, 1609776), (84, 1533120), (90, 1430912), (96, 1341480), (105, 1226496), (112, 1149840), (120, 1073184), (126, 1022080), (128, 1006110), (140, 919872), (144, 894320), (160, 804888), (168, 766560), (180, 715456), (192, 670740), (210, 613248), (224, 574920), (240, 536592), (252, 511040), (256, 503055), (280, 459936), (288, 447160), (315, 408832), (320, 402444), (336, 383280), (360, 357728), (384, 335370), (420, 306624), (448, 287460), (480, 268296), (504, 255520), (560, 229968), (576, 223580), (630, 204416), (640, 201222), (672, 191640), (720, 178864), (768, 167685), (840, 153312), (896, 143730), (960, 134148), (1008, 127760), (1120, 114984), (1152, 111790), (1260, 102208), (1280, 100611), (1344, 95820), (1440, 89432), (1597, 80640), (1680, 76656), (1792, 71865), (1920, 67074), (2016, 63880), (2240, 57492), (2304, 55895), (2520, 51104), (2688, 47910), (2880, 44716), (3194, 40320), (3360, 38328), (3840, 33537), (4032, 31940), (4480, 28746), (4791, 26880), (5040, 25552), (5376, 23955), (5760, 22358), (6388, 20160), (6720, 19164), (7985, 16128), (8064, 15970), (8960, 14373), (9582, 13440), (10080, 12776), (11179, 11520)]

このpageの処理時間: 0.4027881622314453 seconds