About the Number
31909680
2進数表記:1111001101110011100110000
漢数字表記:三千百九十万九千六百八十
素因数分解:
素因数の和:129
約数の個数: 320
約数和(自身を含む): 128563200
約数和(自身を除く): 96653520
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 66, 68, 72, 79, 80, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 144, 153, 158, 165, 170, 176, 180, 187, 198, 204, 216, 220, 237, 240, 255, 264, 270, 272, 297, 306, 316, 330, 340, 360, 374, 395, 396, 408, 432, 440, 459, 474, 495, 510, 528, 540, 561, 594, 612, 632, 660, 680, 711, 720, 748, 765, 790, 792, 816, 869, 880, 918, 935, 948, 990, 1020, 1080, 1122, 1185, 1188, 1224, 1264, 1320, 1343, 1360, 1422, 1485, 1496, 1530, 1580, 1584, 1683, 1738, 1836, 1870, 1896, 1980, 2040, 2133, 2160, 2244, 2295, 2370, 2376, 2448, 2607, 2640, 2686, 2805, 2844, 2970, 2992, 3060, 3160, 3366, 3476, 3555, 3672, 3740, 3792, 3960, 4029, 4080, 4266, 4345, 4488, 4590, 4740, 4752, 5049, 5214, 5372, 5610, 5688, 5940, 6120, 6320, 6715, 6732, 6952, 7110, 7344, 7480, 7821, 7920, 8058, 8415, 8532, 8690, 8976, 9180, 9480, 10098, 10428, 10665, 10744, 11220, 11376, 11880, 12087, 12240, 13035, 13430, 13464, 13904, 14220, 14773, 14960, 15642, 16116, 16830, 17064, 17380, 18360, 18960, 20145, 20196, 20856, 21330, 21488, 22440, 23463, 23760, 24174, 25245, 26070, 26860, 26928, 28440, 29546, 31284, 32232, 33660, 34128, 34760, 36261, 36720, 39105, 40290, 40392, 41712, 42660, 44319, 44880, 46926, 48348, 50490, 52140, 53720, 56880, 59092, 60435, 62568, 64464, 67320, 69520, 72522, 73865, 78210, 80580, 80784, 85320, 88638, 93852, 96696, 100980, 104280, 107440, 117315, 118184, 120870, 125136, 132957, 134640, 145044, 147730, 156420, 161160, 170640, 177276, 181305, 187704, 193392, 201960, 208560, 221595, 234630, 236368, 241740, 265914, 290088, 295460, 312840, 322320, 354552, 362610, 375408, 398871, 403920, 443190, 469260, 483480, 531828, 580176, 590920, 625680, 664785, 709104, 725220, 797742, 886380, 938520, 966960, 1063656, 1181840, 1329570, 1450440, 1595484, 1772760, 1877040, 1994355, 2127312, 2659140, 2900880, 3190968, 3545520, 3988710, 5318280, 6381936, 7977420, 10636560, 15954840, 31909680]
約数ペア:
[(1, 31909680), (2, 15954840), (3, 10636560), (4, 7977420), (5, 6381936), (6, 5318280), (8, 3988710), (9, 3545520), (10, 3190968), (11, 2900880), (12, 2659140), (15, 2127312), (16, 1994355), (17, 1877040), (18, 1772760), (20, 1595484), (22, 1450440), (24, 1329570), (27, 1181840), (30, 1063656), (33, 966960), (34, 938520), (36, 886380), (40, 797742), (44, 725220), (45, 709104), (48, 664785), (51, 625680), (54, 590920), (55, 580176), (60, 531828), (66, 483480), (68, 469260), (72, 443190), (79, 403920), (80, 398871), (85, 375408), (88, 362610), (90, 354552), (99, 322320), (102, 312840), (108, 295460), (110, 290088), (120, 265914), (132, 241740), (135, 236368), (136, 234630), (144, 221595), (153, 208560), (158, 201960), (165, 193392), (170, 187704), (176, 181305), (180, 177276), (187, 170640), (198, 161160), (204, 156420), (216, 147730), (220, 145044), (237, 134640), (240, 132957), (255, 125136), (264, 120870), (270, 118184), (272, 117315), (297, 107440), (306, 104280), (316, 100980), (330, 96696), (340, 93852), (360, 88638), (374, 85320), (395, 80784), (396, 80580), (408, 78210), (432, 73865), (440, 72522), (459, 69520), (474, 67320), (495, 64464), (510, 62568), (528, 60435), (540, 59092), (561, 56880), (594, 53720), (612, 52140), (632, 50490), (660, 48348), (680, 46926), (711, 44880), (720, 44319), (748, 42660), (765, 41712), (790, 40392), (792, 40290), (816, 39105), (869, 36720), (880, 36261), (918, 34760), (935, 34128), (948, 33660), (990, 32232), (1020, 31284), (1080, 29546), (1122, 28440), (1185, 26928), (1188, 26860), (1224, 26070), (1264, 25245), (1320, 24174), (1343, 23760), (1360, 23463), (1422, 22440), (1485, 21488), (1496, 21330), (1530, 20856), (1580, 20196), (1584, 20145), (1683, 18960), (1738, 18360), (1836, 17380), (1870, 17064), (1896, 16830), (1980, 16116), (2040, 15642), (2133, 14960), (2160, 14773), (2244, 14220), (2295, 13904), (2370, 13464), (2376, 13430), (2448, 13035), (2607, 12240), (2640, 12087), (2686, 11880), (2805, 11376), (2844, 11220), (2970, 10744), (2992, 10665), (3060, 10428), (3160, 10098), (3366, 9480), (3476, 9180), (3555, 8976), (3672, 8690), (3740, 8532), (3792, 8415), (3960, 8058), (4029, 7920), (4080, 7821), (4266, 7480), (4345, 7344), (4488, 7110), (4590, 6952), (4740, 6732), (4752, 6715), (5049, 6320), (5214, 6120), (5372, 5940), (5610, 5688)]このpageの処理時間: 0.007082700729370117 seconds