8162820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 25061400

約数和(自身を除く): 16898580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 449, 505, 606, 898, 909, 1010, 1212, 1347, 1515, 1796, 1818, 2020, 2245, 2694, 3030, 3636, 4041, 4490, 4545, 5388, 6060, 6735, 8082, 8980, 9090, 13470, 16164, 18180, 20205, 26940, 40410, 45349, 80820, 90698, 136047, 181396, 226745, 272094, 408141, 453490, 544188, 680235, 816282, 906980, 1360470, 1632564, 2040705, 2720940, 4081410, 8162820]

約数ペア:

[(1, 8162820), (2, 4081410), (3, 2720940), (4, 2040705), (5, 1632564), (6, 1360470), (9, 906980), (10, 816282), (12, 680235), (15, 544188), (18, 453490), (20, 408141), (30, 272094), (36, 226745), (45, 181396), (60, 136047), (90, 90698), (101, 80820), (180, 45349), (202, 40410), (303, 26940), (404, 20205), (449, 18180), (505, 16164), (606, 13470), (898, 9090), (909, 8980), (1010, 8082), (1212, 6735), (1347, 6060), (1515, 5388), (1796, 4545), (1818, 4490), (2020, 4041), (2245, 3636), (2694, 3030)]