255012120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 192

約数和(自身を含む): 917879040

約数和(自身を除く): 662866920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 88, 90, 99, 110, 120, 132, 142, 165, 180, 198, 213, 220, 264, 284, 330, 355, 360, 396, 426, 440, 495, 568, 639, 660, 710, 781, 792, 852, 907, 990, 1065, 1278, 1320, 1420, 1562, 1704, 1814, 1980, 2130, 2343, 2556, 2721, 2840, 3124, 3195, 3628, 3905, 3960, 4260, 4535, 4686, 5112, 5442, 6248, 6390, 7029, 7256, 7810, 8163, 8520, 9070, 9372, 9977, 10884, 11715, 12780, 13605, 14058, 15620, 16326, 18140, 18744, 19954, 21768, 23430, 25560, 27210, 28116, 29931, 31240, 32652, 35145, 36280, 39908, 40815, 46860, 49885, 54420, 56232, 59862, 64397, 65304, 70290, 79816, 81630, 89793, 93720, 99770, 108840, 119724, 128794, 140580, 149655, 163260, 179586, 193191, 199540, 239448, 257588, 281160, 299310, 321985, 326520, 359172, 386382, 399080, 448965, 515176, 579573, 598620, 643970, 708367, 718344, 772764, 897930, 965955, 1159146, 1197240, 1287940, 1416734, 1545528, 1795860, 1931910, 2125101, 2318292, 2575880, 2833468, 2897865, 3541835, 3591720, 3863820, 4250202, 4636584, 5666936, 5795730, 6375303, 7083670, 7727640, 8500404, 10625505, 11591460, 12750606, 14167340, 17000808, 21251010, 23182920, 25501212, 28334680, 31876515, 42502020, 51002424, 63753030, 85004040, 127506060, 255012120]

約数ペア:

[(1, 255012120), (2, 127506060), (3, 85004040), (4, 63753030), (5, 51002424), (6, 42502020), (8, 31876515), (9, 28334680), (10, 25501212), (11, 23182920), (12, 21251010), (15, 17000808), (18, 14167340), (20, 12750606), (22, 11591460), (24, 10625505), (30, 8500404), (33, 7727640), (36, 7083670), (40, 6375303), (44, 5795730), (45, 5666936), (55, 4636584), (60, 4250202), (66, 3863820), (71, 3591720), (72, 3541835), (88, 2897865), (90, 2833468), (99, 2575880), (110, 2318292), (120, 2125101), (132, 1931910), (142, 1795860), (165, 1545528), (180, 1416734), (198, 1287940), (213, 1197240), (220, 1159146), (264, 965955), (284, 897930), (330, 772764), (355, 718344), (360, 708367), (396, 643970), (426, 598620), (440, 579573), (495, 515176), (568, 448965), (639, 399080), (660, 386382), (710, 359172), (781, 326520), (792, 321985), (852, 299310), (907, 281160), (990, 257588), (1065, 239448), (1278, 199540), (1320, 193191), (1420, 179586), (1562, 163260), (1704, 149655), (1814, 140580), (1980, 128794), (2130, 119724), (2343, 108840), (2556, 99770), (2721, 93720), (2840, 89793), (3124, 81630), (3195, 79816), (3628, 70290), (3905, 65304), (3960, 64397), (4260, 59862), (4535, 56232), (4686, 54420), (5112, 49885), (5442, 46860), (6248, 40815), (6390, 39908), (7029, 36280), (7256, 35145), (7810, 32652), (8163, 31240), (8520, 29931), (9070, 28116), (9372, 27210), (9977, 25560), (10884, 23430), (11715, 21768), (12780, 19954), (13605, 18744), (14058, 18140), (15620, 16326)]