About the Number
81421200
2進数表記:100110110100110001110010000
漢数字表記:八千百四十二万千二百
素因数分解:
素因数の和:396
約数の個数: 300
約数和(自身を含む): 334889280
約数和(自身を除く): 253468080
約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 81, 84, 90, 100, 105, 108, 112, 120, 126, 135, 140, 144, 150, 162, 168, 175, 180, 189, 200, 210, 216, 225, 240, 252, 270, 280, 300, 315, 324, 336, 350, 359, 360, 378, 400, 405, 420, 432, 450, 504, 525, 540, 560, 567, 600, 630, 648, 675, 700, 718, 720, 756, 810, 840, 900, 945, 1008, 1050, 1077, 1080, 1134, 1200, 1260, 1296, 1350, 1400, 1436, 1512, 1575, 1620, 1680, 1795, 1800, 1890, 2025, 2100, 2154, 2160, 2268, 2513, 2520, 2700, 2800, 2835, 2872, 3024, 3150, 3231, 3240, 3590, 3600, 3780, 4050, 4200, 4308, 4536, 4725, 5026, 5040, 5385, 5400, 5670, 5744, 6300, 6462, 6480, 7180, 7539, 7560, 8100, 8400, 8616, 8975, 9072, 9450, 9693, 10052, 10770, 10800, 11340, 12565, 12600, 12924, 14175, 14360, 15078, 15120, 16155, 16200, 17232, 17950, 18900, 19386, 20104, 21540, 22617, 22680, 25130, 25200, 25848, 26925, 28350, 28720, 29079, 30156, 32310, 32400, 35900, 37695, 37800, 38772, 40208, 43080, 45234, 45360, 48465, 50260, 51696, 53850, 56700, 58158, 60312, 62825, 64620, 67851, 71800, 75390, 75600, 77544, 80775, 86160, 90468, 96930, 100520, 107700, 113085, 113400, 116316, 120624, 125650, 129240, 135702, 143600, 145395, 150780, 155088, 161550, 180936, 188475, 193860, 201040, 203553, 215400, 226170, 226800, 232632, 242325, 251300, 258480, 271404, 290790, 301560, 323100, 339255, 361872, 376950, 387720, 407106, 430800, 452340, 465264, 484650, 502600, 542808, 565425, 581580, 603120, 646200, 678510, 726975, 753900, 775440, 814212, 904680, 969300, 1005200, 1017765, 1085616, 1130850, 1163160, 1292400, 1357020, 1453950, 1507800, 1628424, 1696275, 1809360, 1938600, 2035530, 2261700, 2326320, 2714040, 2907900, 3015600, 3256848, 3392550, 3877200, 4071060, 4523400, 5088825, 5428080, 5815800, 6785100, 8142120, 9046800, 10177650, 11631600, 13570200, 16284240, 20355300, 27140400, 40710600, 81421200]
約数ペア:
[(1, 81421200), (2, 40710600), (3, 27140400), (4, 20355300), (5, 16284240), (6, 13570200), (7, 11631600), (8, 10177650), (9, 9046800), (10, 8142120), (12, 6785100), (14, 5815800), (15, 5428080), (16, 5088825), (18, 4523400), (20, 4071060), (21, 3877200), (24, 3392550), (25, 3256848), (27, 3015600), (28, 2907900), (30, 2714040), (35, 2326320), (36, 2261700), (40, 2035530), (42, 1938600), (45, 1809360), (48, 1696275), (50, 1628424), (54, 1507800), (56, 1453950), (60, 1357020), (63, 1292400), (70, 1163160), (72, 1130850), (75, 1085616), (80, 1017765), (81, 1005200), (84, 969300), (90, 904680), (100, 814212), (105, 775440), (108, 753900), (112, 726975), (120, 678510), (126, 646200), (135, 603120), (140, 581580), (144, 565425), (150, 542808), (162, 502600), (168, 484650), (175, 465264), (180, 452340), (189, 430800), (200, 407106), (210, 387720), (216, 376950), (225, 361872), (240, 339255), (252, 323100), (270, 301560), (280, 290790), (300, 271404), (315, 258480), (324, 251300), (336, 242325), (350, 232632), (359, 226800), (360, 226170), (378, 215400), (400, 203553), (405, 201040), (420, 193860), (432, 188475), (450, 180936), (504, 161550), (525, 155088), (540, 150780), (560, 145395), (567, 143600), (600, 135702), (630, 129240), (648, 125650), (675, 120624), (700, 116316), (718, 113400), (720, 113085), (756, 107700), (810, 100520), (840, 96930), (900, 90468), (945, 86160), (1008, 80775), (1050, 77544), (1077, 75600), (1080, 75390), (1134, 71800), (1200, 67851), (1260, 64620), (1296, 62825), (1350, 60312), (1400, 58158), (1436, 56700), (1512, 53850), (1575, 51696), (1620, 50260), (1680, 48465), (1795, 45360), (1800, 45234), (1890, 43080), (2025, 40208), (2100, 38772), (2154, 37800), (2160, 37695), (2268, 35900), (2513, 32400), (2520, 32310), (2700, 30156), (2800, 29079), (2835, 28720), (2872, 28350), (3024, 26925), (3150, 25848), (3231, 25200), (3240, 25130), (3590, 22680), (3600, 22617), (3780, 21540), (4050, 20104), (4200, 19386), (4308, 18900), (4536, 17950), (4725, 17232), (5026, 16200), (5040, 16155), (5385, 15120), (5400, 15078), (5670, 14360), (5744, 14175), (6300, 12924), (6462, 12600), (6480, 12565), (7180, 11340), (7539, 10800), (7560, 10770), (8100, 10052), (8400, 9693), (8616, 9450), (8975, 9072)]このpageの処理時間: 0.011956214904785156 seconds