420428960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 192

約数和(自身を含む): 1248307200

約数和(自身を除く): 827878240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 184, 190, 224, 230, 266, 280, 304, 322, 368, 380, 437, 460, 532, 560, 608, 644, 665, 736, 760, 805, 859, 874, 920, 1064, 1120, 1288, 1330, 1520, 1610, 1718, 1748, 1840, 2128, 2185, 2576, 2660, 3040, 3059, 3220, 3436, 3496, 3680, 4256, 4295, 4370, 5152, 5320, 6013, 6118, 6440, 6872, 6992, 8590, 8740, 10640, 12026, 12236, 12880, 13744, 13984, 15295, 16321, 17180, 17480, 19757, 21280, 24052, 24472, 25760, 27488, 30065, 30590, 32642, 34360, 34960, 39514, 48104, 48944, 60130, 61180, 65284, 68720, 69920, 79028, 81605, 96208, 97888, 98785, 114247, 120260, 122360, 130568, 137440, 138299, 158056, 163210, 192416, 197570, 228494, 240520, 244720, 261136, 276598, 316112, 326420, 375383, 395140, 456988, 481040, 489440, 522272, 553196, 571235, 632224, 652840, 691495, 750766, 790280, 913976, 962080, 1106392, 1142470, 1305680, 1382990, 1501532, 1580560, 1827952, 1876915, 2212784, 2284940, 2611360, 2627681, 2765980, 3003064, 3161120, 3655904, 3753830, 4425568, 4569880, 5255362, 5531960, 6006128, 7507660, 9139760, 10510724, 11063920, 12012256, 13138405, 15015320, 18279520, 21021448, 22127840, 26276810, 30030640, 42042896, 52553620, 60061280, 84085792, 105107240, 210214480, 420428960]

約数ペア:

[(1, 420428960), (2, 210214480), (4, 105107240), (5, 84085792), (7, 60061280), (8, 52553620), (10, 42042896), (14, 30030640), (16, 26276810), (19, 22127840), (20, 21021448), (23, 18279520), (28, 15015320), (32, 13138405), (35, 12012256), (38, 11063920), (40, 10510724), (46, 9139760), (56, 7507660), (70, 6006128), (76, 5531960), (80, 5255362), (92, 4569880), (95, 4425568), (112, 3753830), (115, 3655904), (133, 3161120), (140, 3003064), (152, 2765980), (160, 2627681), (161, 2611360), (184, 2284940), (190, 2212784), (224, 1876915), (230, 1827952), (266, 1580560), (280, 1501532), (304, 1382990), (322, 1305680), (368, 1142470), (380, 1106392), (437, 962080), (460, 913976), (532, 790280), (560, 750766), (608, 691495), (644, 652840), (665, 632224), (736, 571235), (760, 553196), (805, 522272), (859, 489440), (874, 481040), (920, 456988), (1064, 395140), (1120, 375383), (1288, 326420), (1330, 316112), (1520, 276598), (1610, 261136), (1718, 244720), (1748, 240520), (1840, 228494), (2128, 197570), (2185, 192416), (2576, 163210), (2660, 158056), (3040, 138299), (3059, 137440), (3220, 130568), (3436, 122360), (3496, 120260), (3680, 114247), (4256, 98785), (4295, 97888), (4370, 96208), (5152, 81605), (5320, 79028), (6013, 69920), (6118, 68720), (6440, 65284), (6872, 61180), (6992, 60130), (8590, 48944), (8740, 48104), (10640, 39514), (12026, 34960), (12236, 34360), (12880, 32642), (13744, 30590), (13984, 30065), (15295, 27488), (16321, 25760), (17180, 24472), (17480, 24052), (19757, 21280)]