About the Number

128910672

128910671 ← → 128910673

2進数表記:111101011110000010101010000

漢数字表記:一億二千八百九十一万六百七十二

素因数分解:

2 4 × 3 2 × 11 1 × 97 1 × 839 1

素因数の和:961
約数の個数: 120
約数和(自身を含む): 398099520
約数和(自身を除く): 269188848

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 97, 99, 132, 144, 176, 194, 198, 264, 291, 388, 396, 528, 582, 776, 792, 839, 873, 1067, 1164, 1552, 1584, 1678, 1746, 2134, 2328, 2517, 3201, 3356, 3492, 4268, 4656, 5034, 6402, 6712, 6984, 7551, 8536, 9229, 9603, 10068, 12804, 13424, 13968, 15102, 17072, 18458, 19206, 20136, 25608, 27687, 30204, 36916, 38412, 40272, 51216, 55374, 60408, 73832, 76824, 81383, 83061, 110748, 120816, 147664, 153648, 162766, 166122, 221496, 244149, 325532, 332244, 442992, 488298, 651064, 664488, 732447, 895213, 976596, 1302128, 1328976, 1464894, 1790426, 1953192, 2685639, 2929788, 3580852, 3906384, 5371278, 5859576, 7161704, 8056917, 10742556, 11719152, 14323408, 16113834, 21485112, 32227668, 42970224, 64455336, 128910672]

約数ペア:
[(1, 128910672), (2, 64455336), (3, 42970224), (4, 32227668), (6, 21485112), (8, 16113834), (9, 14323408), (11, 11719152), (12, 10742556), (16, 8056917), (18, 7161704), (22, 5859576), (24, 5371278), (33, 3906384), (36, 3580852), (44, 2929788), (48, 2685639), (66, 1953192), (72, 1790426), (88, 1464894), (97, 1328976), (99, 1302128), (132, 976596), (144, 895213), (176, 732447), (194, 664488), (198, 651064), (264, 488298), (291, 442992), (388, 332244), (396, 325532), (528, 244149), (582, 221496), (776, 166122), (792, 162766), (839, 153648), (873, 147664), (1067, 120816), (1164, 110748), (1552, 83061), (1584, 81383), (1678, 76824), (1746, 73832), (2134, 60408), (2328, 55374), (2517, 51216), (3201, 40272), (3356, 38412), (3492, 36916), (4268, 30204), (4656, 27687), (5034, 25608), (6402, 20136), (6712, 19206), (6984, 18458), (7551, 17072), (8536, 15102), (9229, 13968), (9603, 13424), (10068, 12804)]

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