About the Number

1028280

1028279 ← → 1028281

2進数表記:11111011000010111000

漢数字表記:百二万八千二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 11 1 × 19 1 × 41 1

素因数の和:85
約数の個数: 128
約数和(自身を含む): 3628800
約数和(自身を除く): 2600520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 41, 44, 55, 57, 60, 66, 76, 82, 88, 95, 110, 114, 120, 123, 132, 152, 164, 165, 190, 205, 209, 220, 228, 246, 264, 285, 328, 330, 380, 410, 418, 440, 451, 456, 492, 570, 615, 627, 660, 760, 779, 820, 836, 902, 984, 1045, 1140, 1230, 1254, 1320, 1353, 1558, 1640, 1672, 1804, 2090, 2255, 2280, 2337, 2460, 2508, 2706, 3116, 3135, 3608, 3895, 4180, 4510, 4674, 4920, 5016, 5412, 6232, 6270, 6765, 7790, 8360, 8569, 9020, 9348, 10824, 11685, 12540, 13530, 15580, 17138, 18040, 18696, 23370, 25080, 25707, 27060, 31160, 34276, 42845, 46740, 51414, 54120, 68552, 85690, 93480, 102828, 128535, 171380, 205656, 257070, 342760, 514140, 1028280]

約数ペア:
[(1, 1028280), (2, 514140), (3, 342760), (4, 257070), (5, 205656), (6, 171380), (8, 128535), (10, 102828), (11, 93480), (12, 85690), (15, 68552), (19, 54120), (20, 51414), (22, 46740), (24, 42845), (30, 34276), (33, 31160), (38, 27060), (40, 25707), (41, 25080), (44, 23370), (55, 18696), (57, 18040), (60, 17138), (66, 15580), (76, 13530), (82, 12540), (88, 11685), (95, 10824), (110, 9348), (114, 9020), (120, 8569), (123, 8360), (132, 7790), (152, 6765), (164, 6270), (165, 6232), (190, 5412), (205, 5016), (209, 4920), (220, 4674), (228, 4510), (246, 4180), (264, 3895), (285, 3608), (328, 3135), (330, 3116), (380, 2706), (410, 2508), (418, 2460), (440, 2337), (451, 2280), (456, 2255), (492, 2090), (570, 1804), (615, 1672), (627, 1640), (660, 1558), (760, 1353), (779, 1320), (820, 1254), (836, 1230), (902, 1140), (984, 1045)]

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