78722560

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 160

約数和(自身を含む): 226271232

約数和(自身を除く): 147548672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 191, 224, 230, 256, 280, 320, 322, 368, 382, 448, 460, 512, 560, 640, 644, 736, 764, 805, 896, 920, 955, 1120, 1280, 1288, 1337, 1472, 1528, 1610, 1792, 1840, 1910, 2240, 2560, 2576, 2674, 2944, 3056, 3220, 3584, 3680, 3820, 4393, 4480, 5152, 5348, 5888, 6112, 6440, 6685, 7360, 7640, 8786, 8960, 10304, 10696, 11776, 12224, 12880, 13370, 14720, 15280, 17572, 17920, 20608, 21392, 21965, 24448, 25760, 26740, 29440, 30560, 30751, 35144, 41216, 42784, 43930, 48896, 51520, 53480, 58880, 61120, 61502, 70288, 82432, 85568, 87860, 97792, 103040, 106960, 122240, 123004, 140576, 153755, 171136, 175720, 206080, 213920, 244480, 246008, 281152, 307510, 342272, 351440, 412160, 427840, 488960, 492016, 562304, 615020, 684544, 702880, 855680, 984032, 1124608, 1230040, 1405760, 1711360, 1968064, 2249216, 2460080, 2811520, 3422720, 3936128, 4920160, 5623040, 7872256, 9840320, 11246080, 15744512, 19680640, 39361280, 78722560]

約数ペア:

[(1, 78722560), (2, 39361280), (4, 19680640), (5, 15744512), (7, 11246080), (8, 9840320), (10, 7872256), (14, 5623040), (16, 4920160), (20, 3936128), (23, 3422720), (28, 2811520), (32, 2460080), (35, 2249216), (40, 1968064), (46, 1711360), (56, 1405760), (64, 1230040), (70, 1124608), (80, 984032), (92, 855680), (112, 702880), (115, 684544), (128, 615020), (140, 562304), (160, 492016), (161, 488960), (184, 427840), (191, 412160), (224, 351440), (230, 342272), (256, 307510), (280, 281152), (320, 246008), (322, 244480), (368, 213920), (382, 206080), (448, 175720), (460, 171136), (512, 153755), (560, 140576), (640, 123004), (644, 122240), (736, 106960), (764, 103040), (805, 97792), (896, 87860), (920, 85568), (955, 82432), (1120, 70288), (1280, 61502), (1288, 61120), (1337, 58880), (1472, 53480), (1528, 51520), (1610, 48896), (1792, 43930), (1840, 42784), (1910, 41216), (2240, 35144), (2560, 30751), (2576, 30560), (2674, 29440), (2944, 26740), (3056, 25760), (3220, 24448), (3584, 21965), (3680, 21392), (3820, 20608), (4393, 17920), (4480, 17572), (5152, 15280), (5348, 14720), (5888, 13370), (6112, 12880), (6440, 12224), (6685, 11776), (7360, 10696), (7640, 10304), (8786, 8960)]