128512960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 112

約数和(自身を含む): 336499200

約数和(自身を除く): 207986240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 736, 760, 874, 919, 920, 1216, 1472, 1520, 1748, 1838, 1840, 2185, 3040, 3496, 3676, 3680, 4370, 4595, 6080, 6992, 7352, 7360, 8740, 9190, 13984, 14704, 17461, 17480, 18380, 21137, 27968, 29408, 34922, 34960, 36760, 42274, 58816, 69844, 69920, 73520, 84548, 87305, 105685, 139688, 139840, 147040, 169096, 174610, 211370, 279376, 294080, 338192, 349220, 401603, 422740, 558752, 676384, 698440, 803206, 845480, 1117504, 1352768, 1396880, 1606412, 1690960, 2008015, 2793760, 3212824, 3381920, 4016030, 5587520, 6425648, 6763840, 8032060, 12851296, 16064120, 25702592, 32128240, 64256480, 128512960]

約数ペア:

[(1, 128512960), (2, 64256480), (4, 32128240), (5, 25702592), (8, 16064120), (10, 12851296), (16, 8032060), (19, 6763840), (20, 6425648), (23, 5587520), (32, 4016030), (38, 3381920), (40, 3212824), (46, 2793760), (64, 2008015), (76, 1690960), (80, 1606412), (92, 1396880), (95, 1352768), (115, 1117504), (152, 845480), (160, 803206), (184, 698440), (190, 676384), (230, 558752), (304, 422740), (320, 401603), (368, 349220), (380, 338192), (437, 294080), (460, 279376), (608, 211370), (736, 174610), (760, 169096), (874, 147040), (919, 139840), (920, 139688), (1216, 105685), (1472, 87305), (1520, 84548), (1748, 73520), (1838, 69920), (1840, 69844), (2185, 58816), (3040, 42274), (3496, 36760), (3676, 34960), (3680, 34922), (4370, 29408), (4595, 27968), (6080, 21137), (6992, 18380), (7352, 17480), (7360, 17461), (8740, 14704), (9190, 13984)]