51818880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 167222880

約数和(自身を除く): 115404000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 197, 240, 274, 320, 384, 394, 411, 480, 548, 591, 640, 685, 788, 822, 960, 985, 1096, 1182, 1370, 1576, 1644, 1920, 1970, 2055, 2192, 2364, 2740, 2955, 3152, 3288, 3940, 4110, 4384, 4728, 5480, 5910, 6304, 6576, 7880, 8220, 8768, 9456, 10960, 11820, 12608, 13152, 15760, 16440, 17536, 18912, 21920, 23640, 25216, 26304, 26989, 31520, 32880, 37824, 43840, 47280, 52608, 53978, 63040, 65760, 75648, 80967, 87680, 94560, 107956, 126080, 131520, 134945, 161934, 189120, 215912, 263040, 269890, 323868, 378240, 404835, 431824, 539780, 647736, 809670, 863648, 1079560, 1295472, 1619340, 1727296, 2159120, 2590944, 3238680, 3454592, 4318240, 5181888, 6477360, 8636480, 10363776, 12954720, 17272960, 25909440, 51818880]

約数ペア:

[(1, 51818880), (2, 25909440), (3, 17272960), (4, 12954720), (5, 10363776), (6, 8636480), (8, 6477360), (10, 5181888), (12, 4318240), (15, 3454592), (16, 3238680), (20, 2590944), (24, 2159120), (30, 1727296), (32, 1619340), (40, 1295472), (48, 1079560), (60, 863648), (64, 809670), (80, 647736), (96, 539780), (120, 431824), (128, 404835), (137, 378240), (160, 323868), (192, 269890), (197, 263040), (240, 215912), (274, 189120), (320, 161934), (384, 134945), (394, 131520), (411, 126080), (480, 107956), (548, 94560), (591, 87680), (640, 80967), (685, 75648), (788, 65760), (822, 63040), (960, 53978), (985, 52608), (1096, 47280), (1182, 43840), (1370, 37824), (1576, 32880), (1644, 31520), (1920, 26989), (1970, 26304), (2055, 25216), (2192, 23640), (2364, 21920), (2740, 18912), (2955, 17536), (3152, 16440), (3288, 15760), (3940, 13152), (4110, 12608), (4384, 11820), (4728, 10960), (5480, 9456), (5910, 8768), (6304, 8220), (6576, 7880)]