81054120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96493}}^1$

素因数の和:96514

約数の個数: 64

約数和(自身を含む): 277902720

約数和(自身を除く): 196848600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96493, 192986, 289479, 385972, 482465, 578958, 675451, 771944, 964930, 1157916, 1350902, 1447395, 1929860, 2026353, 2315832, 2701804, 2894790, 3377255, 3859720, 4052706, 5403608, 5789580, 6754510, 8105412, 10131765, 11579160, 13509020, 16210824, 20263530, 27018040, 40527060, 81054120]

約数ペア:

[(1, 81054120), (2, 40527060), (3, 27018040), (4, 20263530), (5, 16210824), (6, 13509020), (7, 11579160), (8, 10131765), (10, 8105412), (12, 6754510), (14, 5789580), (15, 5403608), (20, 4052706), (21, 3859720), (24, 3377255), (28, 2894790), (30, 2701804), (35, 2315832), (40, 2026353), (42, 1929860), (56, 1447395), (60, 1350902), (70, 1157916), (84, 964930), (105, 771944), (120, 675451), (140, 578958), (168, 482465), (210, 385972), (280, 289479), (420, 192986), (840, 96493)]