About the Number

81371400

81371399 ← → 81371401

2進数表記:100110110011010000100001000

漢数字表記:八千百三十七万千四百

素因数分解:

2 3 × 3 1 × 5 2 × 11 1 × 12329 1

素因数の和:12359
約数の個数: 96
約数和(自身を含む): 275205600
約数和(自身を除く): 193834200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 132, 150, 165, 200, 220, 264, 275, 300, 330, 440, 550, 600, 660, 825, 1100, 1320, 1650, 2200, 3300, 6600, 12329, 24658, 36987, 49316, 61645, 73974, 98632, 123290, 135619, 147948, 184935, 246580, 271238, 295896, 308225, 369870, 406857, 493160, 542476, 616450, 678095, 739740, 813714, 924675, 1084952, 1232900, 1356190, 1479480, 1627428, 1849350, 2034285, 2465800, 2712380, 3254856, 3390475, 3698700, 4068570, 5424760, 6780950, 7397400, 8137140, 10171425, 13561900, 16274280, 20342850, 27123800, 40685700, 81371400]

約数ペア:
[(1, 81371400), (2, 40685700), (3, 27123800), (4, 20342850), (5, 16274280), (6, 13561900), (8, 10171425), (10, 8137140), (11, 7397400), (12, 6780950), (15, 5424760), (20, 4068570), (22, 3698700), (24, 3390475), (25, 3254856), (30, 2712380), (33, 2465800), (40, 2034285), (44, 1849350), (50, 1627428), (55, 1479480), (60, 1356190), (66, 1232900), (75, 1084952), (88, 924675), (100, 813714), (110, 739740), (120, 678095), (132, 616450), (150, 542476), (165, 493160), (200, 406857), (220, 369870), (264, 308225), (275, 295896), (300, 271238), (330, 246580), (440, 184935), (550, 147948), (600, 135619), (660, 123290), (825, 98632), (1100, 73974), (1320, 61645), (1650, 49316), (2200, 36987), (3300, 24658), (6600, 12329)]

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