About the Number

1296768480

1296768479 ← → 1296768481

2進数表記:1001101010010110001110111100000

漢数字表記:十二億九千六百七十六万八千四百八十

素因数分解:

2 5 × 3 1 × 5 1 × 7 1 × 385943 1

素因数の和:385968
約数の個数: 96
約数和(自身を含む): 4668378624
約数和(自身を除く): 3371610144

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 385943, 771886, 1157829, 1543772, 1929715, 2315658, 2701601, 3087544, 3859430, 4631316, 5403202, 5789145, 6175088, 7718860, 8104803, 9262632, 10806404, 11578290, 12350176, 13508005, 15437720, 16209606, 18525264, 21612808, 23156580, 27016010, 30875440, 32419212, 37050528, 40524015, 43225616, 46313160, 54032020, 61750880, 64838424, 81048030, 86451232, 92626320, 108064040, 129676848, 162096060, 185252640, 216128080, 259353696, 324192120, 432256160, 648384240, 1296768480]

約数ペア:
[(1, 1296768480), (2, 648384240), (3, 432256160), (4, 324192120), (5, 259353696), (6, 216128080), (7, 185252640), (8, 162096060), (10, 129676848), (12, 108064040), (14, 92626320), (15, 86451232), (16, 81048030), (20, 64838424), (21, 61750880), (24, 54032020), (28, 46313160), (30, 43225616), (32, 40524015), (35, 37050528), (40, 32419212), (42, 30875440), (48, 27016010), (56, 23156580), (60, 21612808), (70, 18525264), (80, 16209606), (84, 15437720), (96, 13508005), (105, 12350176), (112, 11578290), (120, 10806404), (140, 9262632), (160, 8104803), (168, 7718860), (210, 6175088), (224, 5789145), (240, 5403202), (280, 4631316), (336, 3859430), (420, 3087544), (480, 2701601), (560, 2315658), (672, 1929715), (840, 1543772), (1120, 1157829), (1680, 771886), (3360, 385943)]

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