81324720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112951}}^1$

素因数の和:112970

約数の個数: 60

約数和(自身を含む): 273117936

約数和(自身を除く): 191793216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112951, 225902, 338853, 451804, 564755, 677706, 903608, 1016559, 1129510, 1355412, 1694265, 1807216, 2033118, 2259020, 2710824, 3388530, 4066236, 4518040, 5082795, 5421648, 6777060, 8132472, 9036080, 10165590, 13554120, 16264944, 20331180, 27108240, 40662360, 81324720]

約数ペア:

[(1, 81324720), (2, 40662360), (3, 27108240), (4, 20331180), (5, 16264944), (6, 13554120), (8, 10165590), (9, 9036080), (10, 8132472), (12, 6777060), (15, 5421648), (16, 5082795), (18, 4518040), (20, 4066236), (24, 3388530), (30, 2710824), (36, 2259020), (40, 2033118), (45, 1807216), (48, 1694265), (60, 1355412), (72, 1129510), (80, 1016559), (90, 903608), (120, 677706), (144, 564755), (180, 451804), (240, 338853), (360, 225902), (720, 112951)]