81372900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38749}}^1$

素因数の和:38773

約数の個数: 72

約数和(自身を含む): 269080000

約数和(自身を除く): 187707100

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, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38749, 77498, 116247, 154996, 193745, 232494, 271243, 387490, 464988, 542486, 581235, 774980, 813729, 968725, 1084972, 1162470, 1356215, 1627458, 1937450, 2324940, 2712430, 2906175, 3254916, 3874900, 4068645, 5424860, 5812350, 6781075, 8137290, 11624700, 13562150, 16274580, 20343225, 27124300, 40686450, 81372900]

約数ペア:

[(1, 81372900), (2, 40686450), (3, 27124300), (4, 20343225), (5, 16274580), (6, 13562150), (7, 11624700), (10, 8137290), (12, 6781075), (14, 5812350), (15, 5424860), (20, 4068645), (21, 3874900), (25, 3254916), (28, 2906175), (30, 2712430), (35, 2324940), (42, 1937450), (50, 1627458), (60, 1356215), (70, 1162470), (75, 1084972), (84, 968725), (100, 813729), (105, 774980), (140, 581235), (150, 542486), (175, 464988), (210, 387490), (300, 271243), (350, 232494), (420, 193745), (525, 154996), (700, 116247), (1050, 77498), (2100, 38749)]