81137760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 283336704

約数和(自身を除く): 202198944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 127, 132, 160, 165, 176, 220, 240, 242, 254, 264, 330, 352, 363, 381, 440, 480, 484, 508, 528, 605, 635, 660, 726, 762, 880, 968, 1016, 1056, 1210, 1270, 1320, 1331, 1397, 1452, 1524, 1760, 1815, 1905, 1936, 2032, 2420, 2540, 2640, 2662, 2794, 2904, 3048, 3630, 3810, 3872, 3993, 4064, 4191, 4840, 5080, 5280, 5324, 5588, 5808, 6096, 6655, 6985, 7260, 7620, 7986, 8382, 9680, 10160, 10648, 11176, 11616, 12192, 13310, 13970, 14520, 15240, 15367, 15972, 16764, 19360, 19965, 20320, 20955, 21296, 22352, 26620, 27940, 29040, 30480, 30734, 31944, 33528, 39930, 41910, 42592, 44704, 46101, 53240, 55880, 58080, 60960, 61468, 63888, 67056, 76835, 79860, 83820, 92202, 106480, 111760, 122936, 127776, 134112, 153670, 159720, 167640, 169037, 184404, 212960, 223520, 230505, 245872, 307340, 319440, 335280, 338074, 368808, 461010, 491744, 507111, 614680, 638880, 670560, 676148, 737616, 845185, 922020, 1014222, 1229360, 1352296, 1475232, 1690370, 1844040, 2028444, 2458720, 2535555, 2704592, 3380740, 3688080, 4056888, 5071110, 5409184, 6761480, 7376160, 8113776, 10142220, 13522960, 16227552, 20284440, 27045920, 40568880, 81137760]

約数ペア:

[(1, 81137760), (2, 40568880), (3, 27045920), (4, 20284440), (5, 16227552), (6, 13522960), (8, 10142220), (10, 8113776), (11, 7376160), (12, 6761480), (15, 5409184), (16, 5071110), (20, 4056888), (22, 3688080), (24, 3380740), (30, 2704592), (32, 2535555), (33, 2458720), (40, 2028444), (44, 1844040), (48, 1690370), (55, 1475232), (60, 1352296), (66, 1229360), (80, 1014222), (88, 922020), (96, 845185), (110, 737616), (120, 676148), (121, 670560), (127, 638880), (132, 614680), (160, 507111), (165, 491744), (176, 461010), (220, 368808), (240, 338074), (242, 335280), (254, 319440), (264, 307340), (330, 245872), (352, 230505), (363, 223520), (381, 212960), (440, 184404), (480, 169037), (484, 167640), (508, 159720), (528, 153670), (605, 134112), (635, 127776), (660, 122936), (726, 111760), (762, 106480), (880, 92202), (968, 83820), (1016, 79860), (1056, 76835), (1210, 67056), (1270, 63888), (1320, 61468), (1331, 60960), (1397, 58080), (1452, 55880), (1524, 53240), (1760, 46101), (1815, 44704), (1905, 42592), (1936, 41910), (2032, 39930), (2420, 33528), (2540, 31944), (2640, 30734), (2662, 30480), (2794, 29040), (2904, 27940), (3048, 26620), (3630, 22352), (3810, 21296), (3872, 20955), (3993, 20320), (4064, 19965), (4191, 19360), (4840, 16764), (5080, 15972), (5280, 15367), (5324, 15240), (5588, 14520), (5808, 13970), (6096, 13310), (6655, 12192), (6985, 11616), (7260, 11176), (7620, 10648), (7986, 10160), (8382, 9680)]