81007500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 120

約数和(自身を含む): 270113536

約数和(自身を除く): 189106036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1543, 1750, 1875, 2100, 2500, 2625, 3086, 3500, 3750, 4375, 4629, 5250, 6172, 7500, 7715, 8750, 9258, 10500, 10801, 13125, 15430, 17500, 18516, 21602, 23145, 26250, 30860, 32403, 38575, 43204, 46290, 52500, 54005, 64806, 77150, 92580, 108010, 115725, 129612, 154300, 162015, 192875, 216020, 231450, 270025, 324030, 385750, 462900, 540050, 578625, 648060, 771500, 810075, 964375, 1080100, 1157250, 1350125, 1620150, 1928750, 2314500, 2700250, 2893125, 3240300, 3857500, 4050375, 5400500, 5786250, 6750625, 8100750, 11572500, 13501250, 16201500, 20251875, 27002500, 40503750, 81007500]

約数ペア:

[(1, 81007500), (2, 40503750), (3, 27002500), (4, 20251875), (5, 16201500), (6, 13501250), (7, 11572500), (10, 8100750), (12, 6750625), (14, 5786250), (15, 5400500), (20, 4050375), (21, 3857500), (25, 3240300), (28, 2893125), (30, 2700250), (35, 2314500), (42, 1928750), (50, 1620150), (60, 1350125), (70, 1157250), (75, 1080100), (84, 964375), (100, 810075), (105, 771500), (125, 648060), (140, 578625), (150, 540050), (175, 462900), (210, 385750), (250, 324030), (300, 270025), (350, 231450), (375, 216020), (420, 192875), (500, 162015), (525, 154300), (625, 129612), (700, 115725), (750, 108010), (875, 92580), (1050, 77150), (1250, 64806), (1500, 54005), (1543, 52500), (1750, 46290), (1875, 43204), (2100, 38575), (2500, 32403), (2625, 30860), (3086, 26250), (3500, 23145), (3750, 21602), (4375, 18516), (4629, 17500), (5250, 15430), (6172, 13125), (7500, 10801), (7715, 10500), (8750, 9258)]