About the Number

1280308432

1280308431 ← → 1280308433

2進数表記:1001100010011111111010011010000

漢数字表記:十二億八千三十万八千四百三十二

素因数分解:

2 4 × 13 1 × 23 1 × 31 1 × 89 1 × 97 1

素因数の和:261
約数の個数: 160
約数和(自身を含む): 2939811840
約数和(自身を除く): 1659503408

約数列:
[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 89, 92, 97, 104, 124, 178, 184, 194, 208, 248, 299, 356, 368, 388, 403, 496, 598, 712, 713, 776, 806, 1157, 1196, 1261, 1424, 1426, 1552, 1612, 2047, 2231, 2314, 2392, 2522, 2759, 2852, 3007, 3224, 4094, 4462, 4628, 4784, 5044, 5518, 5704, 6014, 6448, 8188, 8633, 8924, 9256, 9269, 10088, 11036, 11408, 12028, 16376, 17266, 17848, 18512, 18538, 20176, 22072, 24056, 26611, 29003, 32752, 34532, 35696, 35867, 37076, 39091, 44144, 48112, 53222, 58006, 63457, 69064, 69161, 71734, 74152, 78182, 106444, 112229, 116012, 126914, 138128, 138322, 143468, 148304, 156364, 198559, 212888, 224458, 232024, 253828, 267623, 276644, 286936, 312728, 397118, 425776, 448916, 464048, 507656, 535246, 553288, 573872, 625456, 794236, 824941, 897832, 899093, 1015312, 1070492, 1106576, 1588472, 1649882, 1795664, 1798186, 2140984, 2581267, 3176944, 3299764, 3479099, 3596372, 4281968, 5162534, 6155329, 6599528, 6958198, 7192744, 10325068, 12310658, 13199056, 13916396, 14385488, 20650136, 24621316, 27832792, 41300272, 49242632, 55665584, 80019277, 98485264, 160038554, 320077108, 640154216, 1280308432]

約数ペア:
[(1, 1280308432), (2, 640154216), (4, 320077108), (8, 160038554), (13, 98485264), (16, 80019277), (23, 55665584), (26, 49242632), (31, 41300272), (46, 27832792), (52, 24621316), (62, 20650136), (89, 14385488), (92, 13916396), (97, 13199056), (104, 12310658), (124, 10325068), (178, 7192744), (184, 6958198), (194, 6599528), (208, 6155329), (248, 5162534), (299, 4281968), (356, 3596372), (368, 3479099), (388, 3299764), (403, 3176944), (496, 2581267), (598, 2140984), (712, 1798186), (713, 1795664), (776, 1649882), (806, 1588472), (1157, 1106576), (1196, 1070492), (1261, 1015312), (1424, 899093), (1426, 897832), (1552, 824941), (1612, 794236), (2047, 625456), (2231, 573872), (2314, 553288), (2392, 535246), (2522, 507656), (2759, 464048), (2852, 448916), (3007, 425776), (3224, 397118), (4094, 312728), (4462, 286936), (4628, 276644), (4784, 267623), (5044, 253828), (5518, 232024), (5704, 224458), (6014, 212888), (6448, 198559), (8188, 156364), (8633, 148304), (8924, 143468), (9256, 138322), (9269, 138128), (10088, 126914), (11036, 116012), (11408, 112229), (12028, 106444), (16376, 78182), (17266, 74152), (17848, 71734), (18512, 69161), (18538, 69064), (20176, 63457), (22072, 58006), (24056, 53222), (26611, 48112), (29003, 44144), (32752, 39091), (34532, 37076), (35696, 35867)]

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