81744570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22153}}^1$

素因数の和:22207

約数の個数: 48

約数和(自身を含む): 217729512

約数和(自身を除く): 135984942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 22153, 44306, 66459, 110765, 132918, 199377, 221530, 332295, 398754, 664590, 908273, 996885, 1816546, 1993770, 2724819, 4541365, 5449638, 8174457, 9082730, 13624095, 16348914, 27248190, 40872285, 81744570]

約数ペア:

[(1, 81744570), (2, 40872285), (3, 27248190), (5, 16348914), (6, 13624095), (9, 9082730), (10, 8174457), (15, 5449638), (18, 4541365), (30, 2724819), (41, 1993770), (45, 1816546), (82, 996885), (90, 908273), (123, 664590), (205, 398754), (246, 332295), (369, 221530), (410, 199377), (615, 132918), (738, 110765), (1230, 66459), (1845, 44306), (3690, 22153)]