143755520

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 379693440

約数和(自身を除く): 235937920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 257, 304, 320, 368, 380, 437, 460, 514, 608, 640, 736, 760, 874, 920, 1028, 1216, 1280, 1285, 1472, 1520, 1748, 1840, 2056, 2185, 2432, 2570, 2944, 3040, 3496, 3680, 4112, 4370, 4864, 4883, 5140, 5888, 5911, 6080, 6992, 7360, 8224, 8740, 9766, 10280, 11822, 12160, 13984, 14720, 16448, 17480, 19532, 20560, 23644, 24320, 24415, 27968, 29440, 29555, 32896, 34960, 39064, 41120, 47288, 48830, 55936, 59110, 65792, 69920, 78128, 82240, 94576, 97660, 111872, 112309, 118220, 139840, 156256, 164480, 189152, 195320, 224618, 236440, 279680, 312512, 328960, 378304, 390640, 449236, 472880, 559360, 561545, 625024, 756608, 781280, 898472, 945760, 1123090, 1250048, 1513216, 1562560, 1796944, 1891520, 2246180, 3125120, 3593888, 3783040, 4492360, 6250240, 7187776, 7566080, 8984720, 14375552, 17969440, 28751104, 35938880, 71877760, 143755520]

約数ペア:

[(1, 143755520), (2, 71877760), (4, 35938880), (5, 28751104), (8, 17969440), (10, 14375552), (16, 8984720), (19, 7566080), (20, 7187776), (23, 6250240), (32, 4492360), (38, 3783040), (40, 3593888), (46, 3125120), (64, 2246180), (76, 1891520), (80, 1796944), (92, 1562560), (95, 1513216), (115, 1250048), (128, 1123090), (152, 945760), (160, 898472), (184, 781280), (190, 756608), (230, 625024), (256, 561545), (257, 559360), (304, 472880), (320, 449236), (368, 390640), (380, 378304), (437, 328960), (460, 312512), (514, 279680), (608, 236440), (640, 224618), (736, 195320), (760, 189152), (874, 164480), (920, 156256), (1028, 139840), (1216, 118220), (1280, 112309), (1285, 111872), (1472, 97660), (1520, 94576), (1748, 82240), (1840, 78128), (2056, 69920), (2185, 65792), (2432, 59110), (2570, 55936), (2944, 48830), (3040, 47288), (3496, 41120), (3680, 39064), (4112, 34960), (4370, 32896), (4864, 29555), (4883, 29440), (5140, 27968), (5888, 24415), (5911, 24320), (6080, 23644), (6992, 20560), (7360, 19532), (8224, 17480), (8740, 16448), (9766, 14720), (10280, 13984), (11822, 12160)]