31449420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 64406340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 461, 758, 922, 1137, 1383, 1516, 1844, 1895, 2274, 2305, 2766, 3411, 3790, 4149, 4548, 4610, 5532, 5685, 6822, 6915, 7580, 8298, 9220, 11370, 13644, 13830, 16596, 17055, 20745, 22740, 27660, 34110, 41490, 68220, 82980, 174719, 349438, 524157, 698876, 873595, 1048314, 1572471, 1747190, 2096628, 2620785, 3144942, 3494380, 5241570, 6289884, 7862355, 10483140, 15724710, 31449420]

約数ペア:

[(1, 31449420), (2, 15724710), (3, 10483140), (4, 7862355), (5, 6289884), (6, 5241570), (9, 3494380), (10, 3144942), (12, 2620785), (15, 2096628), (18, 1747190), (20, 1572471), (30, 1048314), (36, 873595), (45, 698876), (60, 524157), (90, 349438), (180, 174719), (379, 82980), (461, 68220), (758, 41490), (922, 34110), (1137, 27660), (1383, 22740), (1516, 20745), (1844, 17055), (1895, 16596), (2274, 13830), (2305, 13644), (2766, 11370), (3411, 9220), (3790, 8298), (4149, 7580), (4548, 6915), (4610, 6822), (5532, 5685)]