About the Number

1380745128

1380745127 ← → 1380745129

2進数表記:1010010010011000111111110101000

漢数字表記:十三億八千七十四万五千百二十八

素因数分解:

2 3 × 3 1 × 7 3 × 167729 1

素因数の和:167759
約数の個数: 64
約数和(自身を含む): 4025520000
約数和(自身を除く): 2644774872

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 167729, 335458, 503187, 670916, 1006374, 1174103, 1341832, 2012748, 2348206, 3522309, 4025496, 4696412, 7044618, 8218721, 9392824, 14089236, 16437442, 24656163, 28178472, 32874884, 49312326, 57531047, 65749768, 98624652, 115062094, 172593141, 197249304, 230124188, 345186282, 460248376, 690372564, 1380745128]

約数ペア:
[(1, 1380745128), (2, 690372564), (3, 460248376), (4, 345186282), (6, 230124188), (7, 197249304), (8, 172593141), (12, 115062094), (14, 98624652), (21, 65749768), (24, 57531047), (28, 49312326), (42, 32874884), (49, 28178472), (56, 24656163), (84, 16437442), (98, 14089236), (147, 9392824), (168, 8218721), (196, 7044618), (294, 4696412), (343, 4025496), (392, 3522309), (588, 2348206), (686, 2012748), (1029, 1341832), (1176, 1174103), (1372, 1006374), (2058, 670916), (2744, 503187), (4116, 335458), (8232, 167729)]

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