81334320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338893}}^1$

素因数の和:338909

約数の個数: 40

約数和(自身を含む): 252137136

約数和(自身を除く): 170802816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338893, 677786, 1016679, 1355572, 1694465, 2033358, 2711144, 3388930, 4066716, 5083395, 5422288, 6777860, 8133432, 10166790, 13555720, 16266864, 20333580, 27111440, 40667160, 81334320]

約数ペア:

[(1, 81334320), (2, 40667160), (3, 27111440), (4, 20333580), (5, 16266864), (6, 13555720), (8, 10166790), (10, 8133432), (12, 6777860), (15, 5422288), (16, 5083395), (20, 4066716), (24, 3388930), (30, 2711144), (40, 2033358), (48, 1694465), (60, 1355572), (80, 1016679), (120, 677786), (240, 338893)]