28964340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4349}}^1$

素因数の和:4401

約数の個数: 72

約数和(自身を含む): 90253800

約数和(自身を除く): 61289460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4349, 6660, 8698, 13047, 17396, 21745, 26094, 39141, 43490, 52188, 65235, 78282, 86980, 130470, 156564, 160913, 195705, 260940, 321826, 391410, 482739, 643652, 782820, 804565, 965478, 1448217, 1609130, 1930956, 2413695, 2896434, 3218260, 4827390, 5792868, 7241085, 9654780, 14482170, 28964340]

約数ペア:

[(1, 28964340), (2, 14482170), (3, 9654780), (4, 7241085), (5, 5792868), (6, 4827390), (9, 3218260), (10, 2896434), (12, 2413695), (15, 1930956), (18, 1609130), (20, 1448217), (30, 965478), (36, 804565), (37, 782820), (45, 643652), (60, 482739), (74, 391410), (90, 321826), (111, 260940), (148, 195705), (180, 160913), (185, 156564), (222, 130470), (333, 86980), (370, 78282), (444, 65235), (555, 52188), (666, 43490), (740, 39141), (1110, 26094), (1332, 21745), (1665, 17396), (2220, 13047), (3330, 8698), (4349, 6660)]