About the Number

72997120

72997119 ← → 72997121

2進数表記:100010110011101100100000000

漢数字表記:七千二百九十九万七千百二十

素因数分解:

2 8 × 5 1 × 7 1 × 8147 1

素因数の和:8175
約数の個数: 72
約数和(自身を含む): 199854144
約数和(自身を除く): 126857024

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8147, 8960, 16294, 32588, 40735, 57029, 65176, 81470, 114058, 130352, 162940, 228116, 260704, 285145, 325880, 456232, 521408, 570290, 651760, 912464, 1042816, 1140580, 1303520, 1824928, 2085632, 2281160, 2607040, 3649856, 4562320, 5214080, 7299712, 9124640, 10428160, 14599424, 18249280, 36498560, 72997120]

約数ペア:
[(1, 72997120), (2, 36498560), (4, 18249280), (5, 14599424), (7, 10428160), (8, 9124640), (10, 7299712), (14, 5214080), (16, 4562320), (20, 3649856), (28, 2607040), (32, 2281160), (35, 2085632), (40, 1824928), (56, 1303520), (64, 1140580), (70, 1042816), (80, 912464), (112, 651760), (128, 570290), (140, 521408), (160, 456232), (224, 325880), (256, 285145), (280, 260704), (320, 228116), (448, 162940), (560, 130352), (640, 114058), (896, 81470), (1120, 65176), (1280, 57029), (1792, 40735), (2240, 32588), (4480, 16294), (8147, 8960)]

このpageの処理時間: 0.009665489196777344 seconds