About the Number

161668080

161668079 ← → 161668081

2進数表記:1001101000101101101111110000

漢数字表記:一億六千百六十六万八千八十

素因数分解:

2 4 × 3 2 × 5 1 × 7 1 × 32077 1

素因数の和:32103
約数の個数: 120
約数和(自身を含む): 620516832
約数和(自身を除く): 458848752

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 32077, 64154, 96231, 128308, 160385, 192462, 224539, 256616, 288693, 320770, 384924, 449078, 481155, 513232, 577386, 641540, 673617, 769848, 898156, 962310, 1122695, 1154772, 1283080, 1347234, 1443465, 1539696, 1796312, 1924620, 2020851, 2245390, 2309544, 2566160, 2694468, 2886930, 3368085, 3592624, 3849240, 4041702, 4490780, 4619088, 5388936, 5773860, 6736170, 7698480, 8083404, 8981560, 10104255, 10777872, 11547720, 13472340, 16166808, 17963120, 20208510, 23095440, 26944680, 32333616, 40417020, 53889360, 80834040, 161668080]

約数ペア:
[(1, 161668080), (2, 80834040), (3, 53889360), (4, 40417020), (5, 32333616), (6, 26944680), (7, 23095440), (8, 20208510), (9, 17963120), (10, 16166808), (12, 13472340), (14, 11547720), (15, 10777872), (16, 10104255), (18, 8981560), (20, 8083404), (21, 7698480), (24, 6736170), (28, 5773860), (30, 5388936), (35, 4619088), (36, 4490780), (40, 4041702), (42, 3849240), (45, 3592624), (48, 3368085), (56, 2886930), (60, 2694468), (63, 2566160), (70, 2309544), (72, 2245390), (80, 2020851), (84, 1924620), (90, 1796312), (105, 1539696), (112, 1443465), (120, 1347234), (126, 1283080), (140, 1154772), (144, 1122695), (168, 962310), (180, 898156), (210, 769848), (240, 673617), (252, 641540), (280, 577386), (315, 513232), (336, 481155), (360, 449078), (420, 384924), (504, 320770), (560, 288693), (630, 256616), (720, 224539), (840, 192462), (1008, 160385), (1260, 128308), (1680, 96231), (2520, 64154), (5040, 32077)]

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