About the Number

81180480

81180479 ← → 81180481

2進数表記:100110101101011011101000000

漢数字表記:八千百十八万四百八十

素因数分解:

2 6 × 3 1 × 5 1 × 103 1 × 821 1

素因数の和:944
約数の個数: 112
約数和(自身を含む): 260567424
約数和(自身を除く): 179386944

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 206, 240, 309, 320, 412, 480, 515, 618, 821, 824, 960, 1030, 1236, 1545, 1642, 1648, 2060, 2463, 2472, 3090, 3284, 3296, 4105, 4120, 4926, 4944, 6180, 6568, 6592, 8210, 8240, 9852, 9888, 12315, 12360, 13136, 16420, 16480, 19704, 19776, 24630, 24720, 26272, 32840, 32960, 39408, 49260, 49440, 52544, 65680, 78816, 84563, 98520, 98880, 131360, 157632, 169126, 197040, 253689, 262720, 338252, 394080, 422815, 507378, 676504, 788160, 845630, 1014756, 1268445, 1353008, 1691260, 2029512, 2536890, 2706016, 3382520, 4059024, 5073780, 5412032, 6765040, 8118048, 10147560, 13530080, 16236096, 20295120, 27060160, 40590240, 81180480]

約数ペア:
[(1, 81180480), (2, 40590240), (3, 27060160), (4, 20295120), (5, 16236096), (6, 13530080), (8, 10147560), (10, 8118048), (12, 6765040), (15, 5412032), (16, 5073780), (20, 4059024), (24, 3382520), (30, 2706016), (32, 2536890), (40, 2029512), (48, 1691260), (60, 1353008), (64, 1268445), (80, 1014756), (96, 845630), (103, 788160), (120, 676504), (160, 507378), (192, 422815), (206, 394080), (240, 338252), (309, 262720), (320, 253689), (412, 197040), (480, 169126), (515, 157632), (618, 131360), (821, 98880), (824, 98520), (960, 84563), (1030, 78816), (1236, 65680), (1545, 52544), (1642, 49440), (1648, 49260), (2060, 39408), (2463, 32960), (2472, 32840), (3090, 26272), (3284, 24720), (3296, 24630), (4105, 19776), (4120, 19704), (4926, 16480), (4944, 16420), (6180, 13136), (6568, 12360), (6592, 12315), (8210, 9888), (8240, 9852)]

このpageの処理時間: 0.011376619338989258 seconds