About the Number

128520432

128520431 ← → 128520433

2進数表記:111101010010001000011110000

漢数字表記:一億二千八百五十二万四百三十二

素因数分解:

2 4 × 3 4 × 131 1 × 757 1

素因数の和:908
約数の個数: 100
約数和(自身を含む): 375310056
約数和(自身を除く): 246789624

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 131, 144, 162, 216, 262, 324, 393, 432, 524, 648, 757, 786, 1048, 1179, 1296, 1514, 1572, 2096, 2271, 2358, 3028, 3144, 3537, 4542, 4716, 6056, 6288, 6813, 7074, 9084, 9432, 10611, 12112, 13626, 14148, 18168, 18864, 20439, 21222, 27252, 28296, 36336, 40878, 42444, 54504, 56592, 61317, 81756, 84888, 99167, 109008, 122634, 163512, 169776, 198334, 245268, 297501, 327024, 396668, 490536, 595002, 793336, 892503, 981072, 1190004, 1586672, 1785006, 2380008, 2677509, 3570012, 4760016, 5355018, 7140024, 8032527, 10710036, 14280048, 16065054, 21420072, 32130108, 42840144, 64260216, 128520432]

約数ペア:
[(1, 128520432), (2, 64260216), (3, 42840144), (4, 32130108), (6, 21420072), (8, 16065054), (9, 14280048), (12, 10710036), (16, 8032527), (18, 7140024), (24, 5355018), (27, 4760016), (36, 3570012), (48, 2677509), (54, 2380008), (72, 1785006), (81, 1586672), (108, 1190004), (131, 981072), (144, 892503), (162, 793336), (216, 595002), (262, 490536), (324, 396668), (393, 327024), (432, 297501), (524, 245268), (648, 198334), (757, 169776), (786, 163512), (1048, 122634), (1179, 109008), (1296, 99167), (1514, 84888), (1572, 81756), (2096, 61317), (2271, 56592), (2358, 54504), (3028, 42444), (3144, 40878), (3537, 36336), (4542, 28296), (4716, 27252), (6056, 21222), (6288, 20439), (6813, 18864), (7074, 18168), (9084, 14148), (9432, 13626), (10611, 12112)]

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