208295040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:870

約数の個数: 128

約数和(自身を含む): 669136320

約数和(自身を除く): 460841280

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, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 691, 785, 942, 960, 1256, 1382, 1570, 1884, 1920, 2073, 2355, 2512, 2764, 3140, 3455, 3768, 4146, 4710, 5024, 5528, 6280, 6910, 7536, 8292, 9420, 10048, 10365, 11056, 12560, 13820, 15072, 16584, 18840, 20096, 20730, 22112, 25120, 27640, 30144, 33168, 37680, 41460, 44224, 50240, 55280, 60288, 66336, 75360, 82920, 88448, 100480, 108487, 110560, 132672, 150720, 165840, 216974, 221120, 265344, 301440, 325461, 331680, 433948, 442240, 542435, 650922, 663360, 867896, 1084870, 1301844, 1326720, 1627305, 1735792, 2169740, 2603688, 3254610, 3471584, 4339480, 5207376, 6509220, 6943168, 8678960, 10414752, 13018440, 13886336, 17357920, 20829504, 26036880, 34715840, 41659008, 52073760, 69431680, 104147520, 208295040]

約数ペア:

[(1, 208295040), (2, 104147520), (3, 69431680), (4, 52073760), (5, 41659008), (6, 34715840), (8, 26036880), (10, 20829504), (12, 17357920), (15, 13886336), (16, 13018440), (20, 10414752), (24, 8678960), (30, 6943168), (32, 6509220), (40, 5207376), (48, 4339480), (60, 3471584), (64, 3254610), (80, 2603688), (96, 2169740), (120, 1735792), (128, 1627305), (157, 1326720), (160, 1301844), (192, 1084870), (240, 867896), (314, 663360), (320, 650922), (384, 542435), (471, 442240), (480, 433948), (628, 331680), (640, 325461), (691, 301440), (785, 265344), (942, 221120), (960, 216974), (1256, 165840), (1382, 150720), (1570, 132672), (1884, 110560), (1920, 108487), (2073, 100480), (2355, 88448), (2512, 82920), (2764, 75360), (3140, 66336), (3455, 60288), (3768, 55280), (4146, 50240), (4710, 44224), (5024, 41460), (5528, 37680), (6280, 33168), (6910, 30144), (7536, 27640), (8292, 25120), (9420, 22112), (10048, 20730), (10365, 20096), (11056, 18840), (12560, 16584), (13820, 15072)]