128881760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1013

約数の個数: 144

約数和(自身を含む): 375417504

約数和(自身を除く): 246535744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 490, 544, 560, 595, 680, 784, 833, 952, 967, 980, 1120, 1190, 1360, 1568, 1666, 1904, 1934, 1960, 2380, 2720, 3332, 3808, 3868, 3920, 4165, 4760, 4835, 6664, 6769, 7736, 7840, 8330, 9520, 9670, 13328, 13538, 15472, 16439, 16660, 19040, 19340, 26656, 27076, 30944, 32878, 33320, 33845, 38680, 47383, 54152, 65756, 66640, 67690, 77360, 82195, 94766, 108304, 115073, 131512, 133280, 135380, 154720, 164390, 189532, 216608, 230146, 236915, 263024, 270760, 328780, 379064, 460292, 473830, 526048, 541520, 575365, 657560, 758128, 805511, 920584, 947660, 1083040, 1150730, 1315120, 1516256, 1611022, 1841168, 1895320, 2301460, 2630240, 3222044, 3682336, 3790640, 4027555, 4602920, 6444088, 7581280, 8055110, 9205840, 12888176, 16110220, 18411680, 25776352, 32220440, 64440880, 128881760]

約数ペア:

[(1, 128881760), (2, 64440880), (4, 32220440), (5, 25776352), (7, 18411680), (8, 16110220), (10, 12888176), (14, 9205840), (16, 8055110), (17, 7581280), (20, 6444088), (28, 4602920), (32, 4027555), (34, 3790640), (35, 3682336), (40, 3222044), (49, 2630240), (56, 2301460), (68, 1895320), (70, 1841168), (80, 1611022), (85, 1516256), (98, 1315120), (112, 1150730), (119, 1083040), (136, 947660), (140, 920584), (160, 805511), (170, 758128), (196, 657560), (224, 575365), (238, 541520), (245, 526048), (272, 473830), (280, 460292), (340, 379064), (392, 328780), (476, 270760), (490, 263024), (544, 236915), (560, 230146), (595, 216608), (680, 189532), (784, 164390), (833, 154720), (952, 135380), (967, 133280), (980, 131512), (1120, 115073), (1190, 108304), (1360, 94766), (1568, 82195), (1666, 77360), (1904, 67690), (1934, 66640), (1960, 65756), (2380, 54152), (2720, 47383), (3332, 38680), (3808, 33845), (3868, 33320), (3920, 32878), (4165, 30944), (4760, 27076), (4835, 26656), (6664, 19340), (6769, 19040), (7736, 16660), (7840, 16439), (8330, 15472), (9520, 13538), (9670, 13328)]