261036160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5297}}^1$

素因数の和:5334

約数の個数: 128

約数和(自身を含む): 778170240

約数和(自身を除く): 517134080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 5297, 6160, 7040, 9856, 10594, 12320, 21188, 24640, 26485, 37079, 42376, 49280, 52970, 58267, 74158, 84752, 105940, 116534, 148316, 169504, 185395, 211880, 233068, 291335, 296632, 339008, 370790, 407869, 423760, 466136, 582670, 593264, 678016, 741580, 815738, 847520, 932272, 1165340, 1186528, 1483160, 1631476, 1695040, 1864544, 2039345, 2330680, 2373056, 2966320, 3262952, 3390080, 3729088, 4078690, 4661360, 4746112, 5932640, 6525904, 7458176, 8157380, 9322720, 11865280, 13051808, 16314760, 18645440, 23730560, 26103616, 32629520, 37290880, 52207232, 65259040, 130518080, 261036160]

約数ペア:

[(1, 261036160), (2, 130518080), (4, 65259040), (5, 52207232), (7, 37290880), (8, 32629520), (10, 26103616), (11, 23730560), (14, 18645440), (16, 16314760), (20, 13051808), (22, 11865280), (28, 9322720), (32, 8157380), (35, 7458176), (40, 6525904), (44, 5932640), (55, 4746112), (56, 4661360), (64, 4078690), (70, 3729088), (77, 3390080), (80, 3262952), (88, 2966320), (110, 2373056), (112, 2330680), (128, 2039345), (140, 1864544), (154, 1695040), (160, 1631476), (176, 1483160), (220, 1186528), (224, 1165340), (280, 932272), (308, 847520), (320, 815738), (352, 741580), (385, 678016), (440, 593264), (448, 582670), (560, 466136), (616, 423760), (640, 407869), (704, 370790), (770, 339008), (880, 296632), (896, 291335), (1120, 233068), (1232, 211880), (1408, 185395), (1540, 169504), (1760, 148316), (2240, 116534), (2464, 105940), (3080, 84752), (3520, 74158), (4480, 58267), (4928, 52970), (5297, 49280), (6160, 42376), (7040, 37079), (9856, 26485), (10594, 24640), (12320, 21188)]