About the Number

2118165720

2118165719 ← → 2118165721

2進数表記:1111110010000001010010011011000

漢数字表記:二十一億千八百十六万五千七百二十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 71 1 × 97 1 × 233 1

素因数の和:426
約数の個数: 256
約数和(自身を含む): 7132769280
約数和(自身を除く): 5014603560

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 97, 110, 120, 132, 142, 165, 194, 213, 220, 233, 264, 284, 291, 330, 355, 388, 426, 440, 466, 485, 568, 582, 660, 699, 710, 776, 781, 852, 932, 970, 1065, 1067, 1164, 1165, 1320, 1398, 1420, 1455, 1562, 1704, 1864, 1940, 2130, 2134, 2328, 2330, 2343, 2563, 2796, 2840, 2910, 3124, 3201, 3495, 3880, 3905, 4260, 4268, 4660, 4686, 5126, 5335, 5592, 5820, 6248, 6402, 6887, 6990, 7689, 7810, 8520, 8536, 9320, 9372, 10252, 10670, 11640, 11715, 12804, 12815, 13774, 13980, 15378, 15620, 16005, 16543, 18744, 20504, 20661, 21340, 22601, 23430, 25608, 25630, 27548, 27960, 30756, 31240, 32010, 33086, 34435, 38445, 41322, 42680, 45202, 46860, 49629, 51260, 55096, 61512, 64020, 66172, 67803, 68870, 75757, 76890, 82644, 82715, 90404, 93720, 99258, 102520, 103305, 113005, 128040, 132344, 135606, 137740, 151514, 153780, 165288, 165430, 180808, 181973, 198516, 206610, 226010, 227271, 248145, 248611, 271212, 275480, 303028, 307560, 330860, 339015, 363946, 378785, 397032, 413220, 452020, 454542, 496290, 497222, 542424, 545919, 606056, 661720, 678030, 727892, 745833, 757570, 826440, 904040, 909084, 909865, 992580, 994444, 1091838, 1136355, 1243055, 1356060, 1455784, 1491666, 1515140, 1604671, 1818168, 1819730, 1985160, 1988888, 2183676, 2272710, 2486110, 2712120, 2729595, 2983332, 3030280, 3209342, 3639460, 3729165, 4367352, 4545420, 4814013, 4972220, 5459190, 5966664, 6418684, 7278920, 7458330, 8023355, 9090840, 9628026, 9944440, 10918380, 12837368, 14916660, 16046710, 17651381, 19256052, 21836760, 24070065, 29833320, 32093420, 35302762, 38512104, 48140130, 52954143, 64186840, 70605524, 88256905, 96280260, 105908286, 141211048, 176513810, 192560520, 211816572, 264770715, 353027620, 423633144, 529541430, 706055240, 1059082860, 2118165720]

約数ペア:
[(1, 2118165720), (2, 1059082860), (3, 706055240), (4, 529541430), (5, 423633144), (6, 353027620), (8, 264770715), (10, 211816572), (11, 192560520), (12, 176513810), (15, 141211048), (20, 105908286), (22, 96280260), (24, 88256905), (30, 70605524), (33, 64186840), (40, 52954143), (44, 48140130), (55, 38512104), (60, 35302762), (66, 32093420), (71, 29833320), (88, 24070065), (97, 21836760), (110, 19256052), (120, 17651381), (132, 16046710), (142, 14916660), (165, 12837368), (194, 10918380), (213, 9944440), (220, 9628026), (233, 9090840), (264, 8023355), (284, 7458330), (291, 7278920), (330, 6418684), (355, 5966664), (388, 5459190), (426, 4972220), (440, 4814013), (466, 4545420), (485, 4367352), (568, 3729165), (582, 3639460), (660, 3209342), (699, 3030280), (710, 2983332), (776, 2729595), (781, 2712120), (852, 2486110), (932, 2272710), (970, 2183676), (1065, 1988888), (1067, 1985160), (1164, 1819730), (1165, 1818168), (1320, 1604671), (1398, 1515140), (1420, 1491666), (1455, 1455784), (1562, 1356060), (1704, 1243055), (1864, 1136355), (1940, 1091838), (2130, 994444), (2134, 992580), (2328, 909865), (2330, 909084), (2343, 904040), (2563, 826440), (2796, 757570), (2840, 745833), (2910, 727892), (3124, 678030), (3201, 661720), (3495, 606056), (3880, 545919), (3905, 542424), (4260, 497222), (4268, 496290), (4660, 454542), (4686, 452020), (5126, 413220), (5335, 397032), (5592, 378785), (5820, 363946), (6248, 339015), (6402, 330860), (6887, 307560), (6990, 303028), (7689, 275480), (7810, 271212), (8520, 248611), (8536, 248145), (9320, 227271), (9372, 226010), (10252, 206610), (10670, 198516), (11640, 181973), (11715, 180808), (12804, 165430), (12815, 165288), (13774, 153780), (13980, 151514), (15378, 137740), (15620, 135606), (16005, 132344), (16543, 128040), (18744, 113005), (20504, 103305), (20661, 102520), (21340, 99258), (22601, 93720), (23430, 90404), (25608, 82715), (25630, 82644), (27548, 76890), (27960, 75757), (30756, 68870), (31240, 67803), (32010, 66172), (33086, 64020), (34435, 61512), (38445, 55096), (41322, 51260), (42680, 49629), (45202, 46860)]

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