123502760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 289336320

約数和(自身を除く): 165833560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 727, 1096, 1240, 1370, 1454, 2740, 2908, 3635, 4247, 5480, 5816, 7270, 8494, 14540, 16988, 21235, 22537, 29080, 33976, 42470, 45074, 84940, 90148, 99599, 112685, 169880, 180296, 199198, 225370, 398396, 450740, 497995, 796792, 901480, 995990, 1991980, 3087569, 3983960, 6175138, 12350276, 15437845, 24700552, 30875690, 61751380, 123502760]

約数ペア:

[(1, 123502760), (2, 61751380), (4, 30875690), (5, 24700552), (8, 15437845), (10, 12350276), (20, 6175138), (31, 3983960), (40, 3087569), (62, 1991980), (124, 995990), (137, 901480), (155, 796792), (248, 497995), (274, 450740), (310, 398396), (548, 225370), (620, 199198), (685, 180296), (727, 169880), (1096, 112685), (1240, 99599), (1370, 90148), (1454, 84940), (2740, 45074), (2908, 42470), (3635, 33976), (4247, 29080), (5480, 22537), (5816, 21235), (7270, 16988), (8494, 14540)]