128228280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 410572800

約数和(自身を除く): 282344520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 239, 255, 263, 340, 408, 478, 510, 526, 680, 717, 789, 956, 1020, 1052, 1195, 1315, 1434, 1578, 1912, 2040, 2104, 2390, 2630, 2868, 3156, 3585, 3945, 4063, 4471, 4780, 5260, 5736, 6312, 7170, 7890, 8126, 8942, 9560, 10520, 12189, 13413, 14340, 15780, 16252, 17884, 20315, 22355, 24378, 26826, 28680, 31560, 32504, 35768, 40630, 44710, 48756, 53652, 60945, 62857, 67065, 81260, 89420, 97512, 107304, 121890, 125714, 134130, 162520, 178840, 188571, 243780, 251428, 268260, 314285, 377142, 487560, 502856, 536520, 628570, 754284, 942855, 1068569, 1257140, 1508568, 1885710, 2137138, 2514280, 3205707, 3771420, 4274276, 5342845, 6411414, 7542840, 8548552, 10685690, 12822828, 16028535, 21371380, 25645656, 32057070, 42742760, 64114140, 128228280]

約数ペア:

[(1, 128228280), (2, 64114140), (3, 42742760), (4, 32057070), (5, 25645656), (6, 21371380), (8, 16028535), (10, 12822828), (12, 10685690), (15, 8548552), (17, 7542840), (20, 6411414), (24, 5342845), (30, 4274276), (34, 3771420), (40, 3205707), (51, 2514280), (60, 2137138), (68, 1885710), (85, 1508568), (102, 1257140), (120, 1068569), (136, 942855), (170, 754284), (204, 628570), (239, 536520), (255, 502856), (263, 487560), (340, 377142), (408, 314285), (478, 268260), (510, 251428), (526, 243780), (680, 188571), (717, 178840), (789, 162520), (956, 134130), (1020, 125714), (1052, 121890), (1195, 107304), (1315, 97512), (1434, 89420), (1578, 81260), (1912, 67065), (2040, 62857), (2104, 60945), (2390, 53652), (2630, 48756), (2868, 44710), (3156, 40630), (3585, 35768), (3945, 32504), (4063, 31560), (4471, 28680), (4780, 26826), (5260, 24378), (5736, 22355), (6312, 20315), (7170, 17884), (7890, 16252), (8126, 15780), (8942, 14340), (9560, 13413), (10520, 12189)]