About the Number
81132960
2進数表記:100110101011111110110100000
漢数字表記:八千百十三万二千九百六十
素因数分解:
素因数の和:7390
約数の個数: 96
約数和(自身を含む): 266716800
約数和(自身を除く): 185583840
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3680, 5520, 7349, 11040, 14698, 22047, 29396, 36745, 44094, 58792, 73490, 88188, 110235, 117584, 146980, 169027, 176376, 220470, 235168, 293960, 338054, 352752, 440940, 507081, 587920, 676108, 705504, 845135, 881880, 1014162, 1175840, 1352216, 1690270, 1763760, 2028324, 2535405, 2704432, 3380540, 3527520, 4056648, 5070810, 5408864, 6761080, 8113296, 10141620, 13522160, 16226592, 20283240, 27044320, 40566480, 81132960]
約数ペア:
[(1, 81132960), (2, 40566480), (3, 27044320), (4, 20283240), (5, 16226592), (6, 13522160), (8, 10141620), (10, 8113296), (12, 6761080), (15, 5408864), (16, 5070810), (20, 4056648), (23, 3527520), (24, 3380540), (30, 2704432), (32, 2535405), (40, 2028324), (46, 1763760), (48, 1690270), (60, 1352216), (69, 1175840), (80, 1014162), (92, 881880), (96, 845135), (115, 705504), (120, 676108), (138, 587920), (160, 507081), (184, 440940), (230, 352752), (240, 338054), (276, 293960), (345, 235168), (368, 220470), (460, 176376), (480, 169027), (552, 146980), (690, 117584), (736, 110235), (920, 88188), (1104, 73490), (1380, 58792), (1840, 44094), (2208, 36745), (2760, 29396), (3680, 22047), (5520, 14698), (7349, 11040)]このpageの処理時間: 0.029270172119140625 seconds