About the Number

280104480

280104479 ← → 280104481

2進数表記:10000101100100000111000100000

漢数字表記:二億八千十万四千四百八十

素因数分解:

2 5 × 3 4 × 5 1 × 21613 1

素因数の和:21640
約数の個数: 120
約数和(自身を含む): 988581132
約数和(自身を除く): 708476652

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 21613, 43226, 64839, 86452, 108065, 129678, 172904, 194517, 216130, 259356, 324195, 345808, 389034, 432260, 518712, 583551, 648390, 691616, 778068, 864520, 972585, 1037424, 1167102, 1296780, 1556136, 1729040, 1750653, 1945170, 2074848, 2334204, 2593560, 2917755, 3112272, 3458080, 3501306, 3890340, 4668408, 5187120, 5835510, 6224544, 7002612, 7780680, 8753265, 9336816, 10374240, 11671020, 14005224, 15561360, 17506530, 18673632, 23342040, 28010448, 31122720, 35013060, 46684080, 56020896, 70026120, 93368160, 140052240, 280104480]

約数ペア:
[(1, 280104480), (2, 140052240), (3, 93368160), (4, 70026120), (5, 56020896), (6, 46684080), (8, 35013060), (9, 31122720), (10, 28010448), (12, 23342040), (15, 18673632), (16, 17506530), (18, 15561360), (20, 14005224), (24, 11671020), (27, 10374240), (30, 9336816), (32, 8753265), (36, 7780680), (40, 7002612), (45, 6224544), (48, 5835510), (54, 5187120), (60, 4668408), (72, 3890340), (80, 3501306), (81, 3458080), (90, 3112272), (96, 2917755), (108, 2593560), (120, 2334204), (135, 2074848), (144, 1945170), (160, 1750653), (162, 1729040), (180, 1556136), (216, 1296780), (240, 1167102), (270, 1037424), (288, 972585), (324, 864520), (360, 778068), (405, 691616), (432, 648390), (480, 583551), (540, 518712), (648, 432260), (720, 389034), (810, 345808), (864, 324195), (1080, 259356), (1296, 216130), (1440, 194517), (1620, 172904), (2160, 129678), (2592, 108065), (3240, 86452), (4320, 64839), (6480, 43226), (12960, 21613)]

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