About the Number

128977440

128977439 ← → 128977441

2進数表記:111101100000000101000100000

漢数字表記:一億二千八百九十七万七千四百四十

素因数分解:

2 5 × 3 1 × 5 1 × 167 1 × 1609 1

素因数の和:1794
約数の個数: 96
約数和(自身を含む): 408965760
約数和(自身を除く): 279988320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 167, 240, 334, 480, 501, 668, 835, 1002, 1336, 1609, 1670, 2004, 2505, 2672, 3218, 3340, 4008, 4827, 5010, 5344, 6436, 6680, 8016, 8045, 9654, 10020, 12872, 13360, 16032, 16090, 19308, 20040, 24135, 25744, 26720, 32180, 38616, 40080, 48270, 51488, 64360, 77232, 80160, 96540, 128720, 154464, 193080, 257440, 268703, 386160, 537406, 772320, 806109, 1074812, 1343515, 1612218, 2149624, 2687030, 3224436, 4030545, 4299248, 5374060, 6448872, 8061090, 8598496, 10748120, 12897744, 16122180, 21496240, 25795488, 32244360, 42992480, 64488720, 128977440]

約数ペア:
[(1, 128977440), (2, 64488720), (3, 42992480), (4, 32244360), (5, 25795488), (6, 21496240), (8, 16122180), (10, 12897744), (12, 10748120), (15, 8598496), (16, 8061090), (20, 6448872), (24, 5374060), (30, 4299248), (32, 4030545), (40, 3224436), (48, 2687030), (60, 2149624), (80, 1612218), (96, 1343515), (120, 1074812), (160, 806109), (167, 772320), (240, 537406), (334, 386160), (480, 268703), (501, 257440), (668, 193080), (835, 154464), (1002, 128720), (1336, 96540), (1609, 80160), (1670, 77232), (2004, 64360), (2505, 51488), (2672, 48270), (3218, 40080), (3340, 38616), (4008, 32180), (4827, 26720), (5010, 25744), (5344, 24135), (6436, 20040), (6680, 19308), (8016, 16090), (8045, 16032), (9654, 13360), (10020, 12872)]

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