81255216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 175871184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 31, 42, 48, 56, 58, 62, 84, 87, 93, 112, 116, 124, 168, 174, 186, 203, 217, 232, 248, 269, 336, 348, 372, 406, 434, 464, 496, 538, 609, 651, 696, 744, 807, 812, 868, 899, 1076, 1218, 1302, 1392, 1488, 1614, 1624, 1736, 1798, 1883, 2152, 2436, 2604, 2697, 3228, 3248, 3472, 3596, 3766, 4304, 4872, 5208, 5394, 5649, 6293, 6456, 7192, 7532, 7801, 8339, 9744, 10416, 10788, 11298, 12586, 12912, 14384, 15064, 15602, 16678, 18879, 21576, 22596, 23403, 25017, 25172, 30128, 31204, 33356, 37758, 43152, 45192, 46806, 50034, 50344, 54607, 58373, 62408, 66712, 75516, 90384, 93612, 100068, 100688, 109214, 116746, 124816, 133424, 151032, 163821, 175119, 187224, 200136, 218428, 233492, 241831, 302064, 327642, 350238, 374448, 400272, 436856, 466984, 483662, 655284, 700476, 725493, 873712, 933968, 967324, 1310568, 1400952, 1450986, 1692817, 1934648, 2621136, 2801904, 2901972, 3385634, 3869296, 5078451, 5803944, 6771268, 10156902, 11607888, 13542536, 20313804, 27085072, 40627608, 81255216]

約数ペア:

[(1, 81255216), (2, 40627608), (3, 27085072), (4, 20313804), (6, 13542536), (7, 11607888), (8, 10156902), (12, 6771268), (14, 5803944), (16, 5078451), (21, 3869296), (24, 3385634), (28, 2901972), (29, 2801904), (31, 2621136), (42, 1934648), (48, 1692817), (56, 1450986), (58, 1400952), (62, 1310568), (84, 967324), (87, 933968), (93, 873712), (112, 725493), (116, 700476), (124, 655284), (168, 483662), (174, 466984), (186, 436856), (203, 400272), (217, 374448), (232, 350238), (248, 327642), (269, 302064), (336, 241831), (348, 233492), (372, 218428), (406, 200136), (434, 187224), (464, 175119), (496, 163821), (538, 151032), (609, 133424), (651, 124816), (696, 116746), (744, 109214), (807, 100688), (812, 100068), (868, 93612), (899, 90384), (1076, 75516), (1218, 66712), (1302, 62408), (1392, 58373), (1488, 54607), (1614, 50344), (1624, 50034), (1736, 46806), (1798, 45192), (1883, 43152), (2152, 37758), (2436, 33356), (2604, 31204), (2697, 30128), (3228, 25172), (3248, 25017), (3472, 23403), (3596, 22596), (3766, 21576), (4304, 18879), (4872, 16678), (5208, 15602), (5394, 15064), (5649, 14384), (6293, 12912), (6456, 12586), (7192, 11298), (7532, 10788), (7801, 10416), (8339, 9744)]