About the Number

81901572768

81901572767 ← → 81901572769

2進数表記:1001100010001101101101101001010100000

漢数字表記:八百十九億百五十七万二千七百六十八

素因数分解:

2 5 × 3 4 × 233 1 × 135613 1

素因数の和:135868
約数の個数: 120
約数和(自身を含む): 241905812148
約数和(自身を除く): 160004239380

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 233, 288, 324, 432, 466, 648, 699, 864, 932, 1296, 1398, 1864, 2097, 2592, 2796, 3728, 4194, 5592, 6291, 7456, 8388, 11184, 12582, 16776, 18873, 22368, 25164, 33552, 37746, 50328, 67104, 75492, 100656, 135613, 150984, 201312, 271226, 301968, 406839, 542452, 603936, 813678, 1084904, 1220517, 1627356, 2169808, 2441034, 3254712, 3661551, 4339616, 4882068, 6509424, 7323102, 9764136, 10984653, 13018848, 14646204, 19528272, 21969306, 29292408, 31597829, 39056544, 43938612, 58584816, 63195658, 87877224, 94793487, 117169632, 126391316, 175754448, 189586974, 252782632, 284380461, 351508896, 379173948, 505565264, 568760922, 758347896, 853141383, 1011130528, 1137521844, 1516695792, 1706282766, 2275043688, 2559424149, 3033391584, 3412565532, 4550087376, 5118848298, 6825131064, 9100174752, 10237696596, 13650262128, 20475393192, 27300524256, 40950786384, 81901572768]

約数ペア:
[(1, 81901572768), (2, 40950786384), (3, 27300524256), (4, 20475393192), (6, 13650262128), (8, 10237696596), (9, 9100174752), (12, 6825131064), (16, 5118848298), (18, 4550087376), (24, 3412565532), (27, 3033391584), (32, 2559424149), (36, 2275043688), (48, 1706282766), (54, 1516695792), (72, 1137521844), (81, 1011130528), (96, 853141383), (108, 758347896), (144, 568760922), (162, 505565264), (216, 379173948), (233, 351508896), (288, 284380461), (324, 252782632), (432, 189586974), (466, 175754448), (648, 126391316), (699, 117169632), (864, 94793487), (932, 87877224), (1296, 63195658), (1398, 58584816), (1864, 43938612), (2097, 39056544), (2592, 31597829), (2796, 29292408), (3728, 21969306), (4194, 19528272), (5592, 14646204), (6291, 13018848), (7456, 10984653), (8388, 9764136), (11184, 7323102), (12582, 6509424), (16776, 4882068), (18873, 4339616), (22368, 3661551), (25164, 3254712), (33552, 2441034), (37746, 2169808), (50328, 1627356), (67104, 1220517), (75492, 1084904), (100656, 813678), (135613, 603936), (150984, 542452), (201312, 406839), (271226, 301968)]

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