120990080

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2393}}^1$

素因数の和:2491

約数の個数: 64

約数和(自身を含む): 293025600

約数和(自身を除く): 172035520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2393, 2528, 3160, 4786, 5056, 6320, 9572, 10112, 11965, 12640, 19144, 23930, 25280, 38288, 47860, 50560, 76576, 95720, 153152, 189047, 191440, 306304, 378094, 382880, 756188, 765760, 945235, 1512376, 1531520, 1890470, 3024752, 3780940, 6049504, 7561880, 12099008, 15123760, 24198016, 30247520, 60495040, 120990080]

約数ペア:

[(1, 120990080), (2, 60495040), (4, 30247520), (5, 24198016), (8, 15123760), (10, 12099008), (16, 7561880), (20, 6049504), (32, 3780940), (40, 3024752), (64, 1890470), (79, 1531520), (80, 1512376), (128, 945235), (158, 765760), (160, 756188), (316, 382880), (320, 378094), (395, 306304), (632, 191440), (640, 189047), (790, 153152), (1264, 95720), (1580, 76576), (2393, 50560), (2528, 47860), (3160, 38288), (4786, 25280), (5056, 23930), (6320, 19144), (9572, 12640), (10112, 11965)]