26880480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1729

約数の個数: 144

約数和(自身を含む): 100127664

約数和(自身を除く): 73247184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1697, 1760, 1980, 2640, 3168, 3394, 3960, 5091, 5280, 6788, 7920, 8485, 10182, 13576, 15273, 15840, 16970, 18667, 20364, 25455, 27152, 30546, 33940, 37334, 40728, 50910, 54304, 56001, 61092, 67880, 74668, 76365, 81456, 93335, 101820, 112002, 122184, 135760, 149336, 152730, 162912, 168003, 186670, 203640, 224004, 244368, 271520, 280005, 298672, 305460, 336006, 373340, 407280, 448008, 488736, 560010, 597344, 610920, 672012, 746680, 814560, 840015, 896016, 1120020, 1221840, 1344024, 1493360, 1680030, 1792032, 2240040, 2443680, 2688048, 2986720, 3360060, 4480080, 5376096, 6720120, 8960160, 13440240, 26880480]

約数ペア:

[(1, 26880480), (2, 13440240), (3, 8960160), (4, 6720120), (5, 5376096), (6, 4480080), (8, 3360060), (9, 2986720), (10, 2688048), (11, 2443680), (12, 2240040), (15, 1792032), (16, 1680030), (18, 1493360), (20, 1344024), (22, 1221840), (24, 1120020), (30, 896016), (32, 840015), (33, 814560), (36, 746680), (40, 672012), (44, 610920), (45, 597344), (48, 560010), (55, 488736), (60, 448008), (66, 407280), (72, 373340), (80, 336006), (88, 305460), (90, 298672), (96, 280005), (99, 271520), (110, 244368), (120, 224004), (132, 203640), (144, 186670), (160, 168003), (165, 162912), (176, 152730), (180, 149336), (198, 135760), (220, 122184), (240, 112002), (264, 101820), (288, 93335), (330, 81456), (352, 76365), (360, 74668), (396, 67880), (440, 61092), (480, 56001), (495, 54304), (528, 50910), (660, 40728), (720, 37334), (792, 33940), (880, 30546), (990, 27152), (1056, 25455), (1320, 20364), (1440, 18667), (1584, 16970), (1697, 15840), (1760, 15273), (1980, 13576), (2640, 10182), (3168, 8485), (3394, 7920), (3960, 6788), (5091, 5280)]