1220817920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1536

約数の個数: 176

約数和(自身を含む): 3494769408

約数和(自身を除く): 2273951488

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, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 640, 644, 736, 805, 896, 920, 1024, 1120, 1280, 1288, 1472, 1481, 1610, 1792, 1840, 2240, 2560, 2576, 2944, 2962, 3220, 3584, 3680, 4480, 5120, 5152, 5888, 5924, 6440, 7168, 7360, 7405, 8960, 10304, 10367, 11776, 11848, 12880, 14720, 14810, 17920, 20608, 20734, 23552, 23696, 25760, 29440, 29620, 34063, 35840, 41216, 41468, 47392, 51520, 51835, 58880, 59240, 68126, 82432, 82936, 94784, 103040, 103670, 117760, 118480, 136252, 164864, 165872, 170315, 189568, 206080, 207340, 236960, 238441, 272504, 331744, 340630, 379136, 412160, 414680, 473920, 476882, 545008, 663488, 681260, 758272, 824320, 829360, 947840, 953764, 1090016, 1192205, 1326976, 1362520, 1516544, 1658720, 1895680, 1907528, 2180032, 2384410, 2653952, 2725040, 3317440, 3791360, 3815056, 4360064, 4768820, 5307904, 5450080, 6634880, 7582720, 7630112, 8720128, 9537640, 10615808, 10900160, 13269760, 15260224, 17440256, 19075280, 21800320, 26539520, 30520448, 34880512, 38150560, 43600640, 53079040, 61040896, 76301120, 87201280, 122081792, 152602240, 174402560, 244163584, 305204480, 610408960, 1220817920]

約数ペア:

[(1, 1220817920), (2, 610408960), (4, 305204480), (5, 244163584), (7, 174402560), (8, 152602240), (10, 122081792), (14, 87201280), (16, 76301120), (20, 61040896), (23, 53079040), (28, 43600640), (32, 38150560), (35, 34880512), (40, 30520448), (46, 26539520), (56, 21800320), (64, 19075280), (70, 17440256), (80, 15260224), (92, 13269760), (112, 10900160), (115, 10615808), (128, 9537640), (140, 8720128), (160, 7630112), (161, 7582720), (184, 6634880), (224, 5450080), (230, 5307904), (256, 4768820), (280, 4360064), (320, 3815056), (322, 3791360), (368, 3317440), (448, 2725040), (460, 2653952), (512, 2384410), (560, 2180032), (640, 1907528), (644, 1895680), (736, 1658720), (805, 1516544), (896, 1362520), (920, 1326976), (1024, 1192205), (1120, 1090016), (1280, 953764), (1288, 947840), (1472, 829360), (1481, 824320), (1610, 758272), (1792, 681260), (1840, 663488), (2240, 545008), (2560, 476882), (2576, 473920), (2944, 414680), (2962, 412160), (3220, 379136), (3584, 340630), (3680, 331744), (4480, 272504), (5120, 238441), (5152, 236960), (5888, 207340), (5924, 206080), (6440, 189568), (7168, 170315), (7360, 165872), (7405, 164864), (8960, 136252), (10304, 118480), (10367, 117760), (11776, 103670), (11848, 103040), (12880, 94784), (14720, 82936), (14810, 82432), (17920, 68126), (20608, 59240), (20734, 58880), (23552, 51835), (23696, 51520), (25760, 47392), (29440, 41468), (29620, 41216), (34063, 35840)]