About the Number

28231440

28231439 ← → 28231441

2進数表記:1101011101100011100010000

漢数字表記:二千八百二十三万千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 79 1 × 1489 1

素因数の和:1584
約数の個数: 80
約数和(自身を含む): 88684800
約数和(自身を除く): 60453360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1489, 1580, 1896, 2370, 2978, 3160, 3792, 4467, 4740, 5956, 6320, 7445, 8934, 9480, 11912, 14890, 17868, 18960, 22335, 23824, 29780, 35736, 44670, 59560, 71472, 89340, 117631, 119120, 178680, 235262, 352893, 357360, 470524, 588155, 705786, 941048, 1176310, 1411572, 1764465, 1882096, 2352620, 2823144, 3528930, 4705240, 5646288, 7057860, 9410480, 14115720, 28231440]

約数ペア:
[(1, 28231440), (2, 14115720), (3, 9410480), (4, 7057860), (5, 5646288), (6, 4705240), (8, 3528930), (10, 2823144), (12, 2352620), (15, 1882096), (16, 1764465), (20, 1411572), (24, 1176310), (30, 941048), (40, 705786), (48, 588155), (60, 470524), (79, 357360), (80, 352893), (120, 235262), (158, 178680), (237, 119120), (240, 117631), (316, 89340), (395, 71472), (474, 59560), (632, 44670), (790, 35736), (948, 29780), (1185, 23824), (1264, 22335), (1489, 18960), (1580, 17868), (1896, 14890), (2370, 11912), (2978, 9480), (3160, 8934), (3792, 7445), (4467, 6320), (4740, 5956)]

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