81486240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 288

約数和(自身を含む): 299230848

約数和(自身を除く): 217744608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 61, 66, 69, 80, 88, 92, 96, 110, 115, 120, 121, 122, 132, 138, 160, 165, 176, 183, 184, 220, 230, 240, 242, 244, 253, 264, 276, 305, 330, 345, 352, 363, 366, 368, 440, 460, 480, 484, 488, 506, 528, 552, 605, 610, 660, 671, 690, 726, 732, 736, 759, 880, 915, 920, 968, 976, 1012, 1056, 1104, 1210, 1220, 1265, 1320, 1342, 1380, 1403, 1452, 1464, 1518, 1760, 1815, 1830, 1840, 1936, 1952, 2013, 2024, 2208, 2420, 2440, 2530, 2640, 2684, 2760, 2783, 2806, 2904, 2928, 3036, 3355, 3630, 3660, 3680, 3795, 3872, 4026, 4048, 4209, 4840, 4880, 5060, 5280, 5368, 5520, 5566, 5612, 5808, 5856, 6072, 6710, 7015, 7260, 7320, 7381, 7590, 8052, 8096, 8349, 8418, 9680, 9760, 10065, 10120, 10736, 11040, 11132, 11224, 11616, 12144, 13420, 13915, 14030, 14520, 14640, 14762, 15180, 15433, 16104, 16698, 16836, 19360, 20130, 20240, 21045, 21472, 22143, 22264, 22448, 24288, 26840, 27830, 28060, 29040, 29280, 29524, 30360, 30866, 32208, 33396, 33672, 36905, 40260, 40480, 41745, 42090, 44286, 44528, 44896, 46299, 53680, 55660, 56120, 58080, 59048, 60720, 61732, 64416, 66792, 67344, 73810, 77165, 80520, 83490, 84180, 88572, 89056, 92598, 107360, 110715, 111320, 112240, 118096, 121440, 123464, 133584, 134688, 147620, 154330, 161040, 166980, 168360, 169763, 177144, 185196, 221430, 222640, 224480, 231495, 236192, 246928, 267168, 295240, 308660, 322080, 333960, 336720, 339526, 354288, 370392, 442860, 445280, 462990, 493856, 509289, 590480, 617320, 667920, 673440, 679052, 708576, 740784, 848815, 885720, 925980, 1018578, 1180960, 1234640, 1335840, 1358104, 1481568, 1697630, 1771440, 1851960, 2037156, 2469280, 2546445, 2716208, 3395260, 3542880, 3703920, 4074312, 5092890, 5432416, 6790520, 7407840, 8148624, 10185780, 13581040, 16297248, 20371560, 27162080, 40743120, 81486240]

約数ペア:

[(1, 81486240), (2, 40743120), (3, 27162080), (4, 20371560), (5, 16297248), (6, 13581040), (8, 10185780), (10, 8148624), (11, 7407840), (12, 6790520), (15, 5432416), (16, 5092890), (20, 4074312), (22, 3703920), (23, 3542880), (24, 3395260), (30, 2716208), (32, 2546445), (33, 2469280), (40, 2037156), (44, 1851960), (46, 1771440), (48, 1697630), (55, 1481568), (60, 1358104), (61, 1335840), (66, 1234640), (69, 1180960), (80, 1018578), (88, 925980), (92, 885720), (96, 848815), (110, 740784), (115, 708576), (120, 679052), (121, 673440), (122, 667920), (132, 617320), (138, 590480), (160, 509289), (165, 493856), (176, 462990), (183, 445280), (184, 442860), (220, 370392), (230, 354288), (240, 339526), (242, 336720), (244, 333960), (253, 322080), (264, 308660), (276, 295240), (305, 267168), (330, 246928), (345, 236192), (352, 231495), (363, 224480), (366, 222640), (368, 221430), (440, 185196), (460, 177144), (480, 169763), (484, 168360), (488, 166980), (506, 161040), (528, 154330), (552, 147620), (605, 134688), (610, 133584), (660, 123464), (671, 121440), (690, 118096), (726, 112240), (732, 111320), (736, 110715), (759, 107360), (880, 92598), (915, 89056), (920, 88572), (968, 84180), (976, 83490), (1012, 80520), (1056, 77165), (1104, 73810), (1210, 67344), (1220, 66792), (1265, 64416), (1320, 61732), (1342, 60720), (1380, 59048), (1403, 58080), (1452, 56120), (1464, 55660), (1518, 53680), (1760, 46299), (1815, 44896), (1830, 44528), (1840, 44286), (1936, 42090), (1952, 41745), (2013, 40480), (2024, 40260), (2208, 36905), (2420, 33672), (2440, 33396), (2530, 32208), (2640, 30866), (2684, 30360), (2760, 29524), (2783, 29280), (2806, 29040), (2904, 28060), (2928, 27830), (3036, 26840), (3355, 24288), (3630, 22448), (3660, 22264), (3680, 22143), (3795, 21472), (3872, 21045), (4026, 20240), (4048, 20130), (4209, 19360), (4840, 16836), (4880, 16698), (5060, 16104), (5280, 15433), (5368, 15180), (5520, 14762), (5566, 14640), (5612, 14520), (5808, 14030), (5856, 13915), (6072, 13420), (6710, 12144), (7015, 11616), (7260, 11224), (7320, 11132), (7381, 11040), (7590, 10736), (8052, 10120), (8096, 10065), (8349, 9760), (8418, 9680)]