1995558240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1881

約数の個数: 192

約数和(自身を含む): 6808729536

約数和(自身を除く): 4813171296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 193, 195, 208, 240, 260, 312, 386, 390, 416, 480, 520, 579, 624, 772, 780, 965, 1040, 1158, 1248, 1544, 1560, 1657, 1930, 2080, 2316, 2509, 2895, 3088, 3120, 3314, 3860, 4632, 4971, 5018, 5790, 6176, 6240, 6628, 7527, 7720, 8285, 9264, 9942, 10036, 11580, 12545, 13256, 15054, 15440, 16570, 18528, 19884, 20072, 21541, 23160, 24855, 25090, 26512, 30108, 30880, 33140, 37635, 39768, 40144, 43082, 46320, 49710, 50180, 53024, 60216, 64623, 66280, 75270, 79536, 80288, 86164, 92640, 99420, 100360, 107705, 120432, 129246, 132560, 150540, 159072, 172328, 198840, 200720, 215410, 240864, 258492, 265120, 301080, 319801, 323115, 344656, 397680, 401440, 430820, 516984, 602160, 639602, 646230, 689312, 795360, 861640, 959403, 1033968, 1204320, 1279204, 1292460, 1599005, 1723280, 1918806, 2067936, 2558408, 2584920, 3198010, 3446560, 3837612, 4157413, 4797015, 5116816, 5169840, 6396020, 7675224, 8314826, 9594030, 10233632, 10339680, 12472239, 12792040, 15350448, 16629652, 19188060, 20787065, 24944478, 25584080, 30700896, 33259304, 38376120, 41574130, 49888956, 51168160, 62361195, 66518608, 76752240, 83148260, 99777912, 124722390, 133037216, 153504480, 166296520, 199555824, 249444780, 332593040, 399111648, 498889560, 665186080, 997779120, 1995558240]

約数ペア:

[(1, 1995558240), (2, 997779120), (3, 665186080), (4, 498889560), (5, 399111648), (6, 332593040), (8, 249444780), (10, 199555824), (12, 166296520), (13, 153504480), (15, 133037216), (16, 124722390), (20, 99777912), (24, 83148260), (26, 76752240), (30, 66518608), (32, 62361195), (39, 51168160), (40, 49888956), (48, 41574130), (52, 38376120), (60, 33259304), (65, 30700896), (78, 25584080), (80, 24944478), (96, 20787065), (104, 19188060), (120, 16629652), (130, 15350448), (156, 12792040), (160, 12472239), (193, 10339680), (195, 10233632), (208, 9594030), (240, 8314826), (260, 7675224), (312, 6396020), (386, 5169840), (390, 5116816), (416, 4797015), (480, 4157413), (520, 3837612), (579, 3446560), (624, 3198010), (772, 2584920), (780, 2558408), (965, 2067936), (1040, 1918806), (1158, 1723280), (1248, 1599005), (1544, 1292460), (1560, 1279204), (1657, 1204320), (1930, 1033968), (2080, 959403), (2316, 861640), (2509, 795360), (2895, 689312), (3088, 646230), (3120, 639602), (3314, 602160), (3860, 516984), (4632, 430820), (4971, 401440), (5018, 397680), (5790, 344656), (6176, 323115), (6240, 319801), (6628, 301080), (7527, 265120), (7720, 258492), (8285, 240864), (9264, 215410), (9942, 200720), (10036, 198840), (11580, 172328), (12545, 159072), (13256, 150540), (15054, 132560), (15440, 129246), (16570, 120432), (18528, 107705), (19884, 100360), (20072, 99420), (21541, 92640), (23160, 86164), (24855, 80288), (25090, 79536), (26512, 75270), (30108, 66280), (30880, 64623), (33140, 60216), (37635, 53024), (39768, 50180), (40144, 49710), (43082, 46320)]