491879520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{941}}^1$

素因数の和:987

約数の個数: 288

約数和(自身を含む): 1894324320

約数和(自身を除く): 1402444800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 121, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 288, 297, 330, 352, 360, 363, 396, 432, 440, 480, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 864, 880, 941, 968, 990, 1056, 1080, 1089, 1188, 1210, 1320, 1440, 1452, 1485, 1584, 1760, 1815, 1882, 1936, 1980, 2160, 2178, 2376, 2420, 2640, 2823, 2904, 2970, 3168, 3267, 3630, 3764, 3872, 3960, 4320, 4356, 4705, 4752, 4840, 5280, 5445, 5646, 5808, 5940, 6534, 7260, 7528, 7920, 8469, 8712, 9410, 9504, 9680, 10351, 10890, 11292, 11616, 11880, 13068, 14115, 14520, 15056, 15840, 16335, 16938, 17424, 18820, 19360, 20702, 21780, 22584, 23760, 25407, 26136, 28230, 29040, 30112, 31053, 32670, 33876, 34848, 37640, 41404, 42345, 43560, 45168, 47520, 50814, 51755, 52272, 56460, 58080, 62106, 65340, 67752, 75280, 82808, 84690, 87120, 90336, 93159, 101628, 103510, 104544, 112920, 113861, 124212, 127035, 130680, 135504, 150560, 155265, 165616, 169380, 174240, 186318, 203256, 207020, 225840, 227722, 248424, 254070, 261360, 271008, 279477, 310530, 331232, 338760, 341583, 372636, 406512, 414040, 451680, 455444, 465795, 496848, 508140, 522720, 558954, 569305, 621060, 677520, 683166, 745272, 813024, 828080, 910888, 931590, 993696, 1016280, 1024749, 1117908, 1138610, 1242120, 1355040, 1366332, 1397385, 1490544, 1656160, 1707915, 1821776, 1863180, 2032560, 2049498, 2235816, 2277220, 2484240, 2732664, 2794770, 2981088, 3074247, 3415830, 3643552, 3726360, 4065120, 4098996, 4471632, 4554440, 4968480, 5123745, 5465328, 5589540, 6148494, 6831660, 7452720, 8197992, 8943264, 9108880, 10247490, 10930656, 11179080, 12296988, 13663320, 14905440, 15371235, 16395984, 18217760, 20494980, 22358160, 24593976, 27326640, 30742470, 32791968, 40989960, 44716320, 49187952, 54653280, 61484940, 81979920, 98375904, 122969880, 163959840, 245939760, 491879520]

約数ペア:

[(1, 491879520), (2, 245939760), (3, 163959840), (4, 122969880), (5, 98375904), (6, 81979920), (8, 61484940), (9, 54653280), (10, 49187952), (11, 44716320), (12, 40989960), (15, 32791968), (16, 30742470), (18, 27326640), (20, 24593976), (22, 22358160), (24, 20494980), (27, 18217760), (30, 16395984), (32, 15371235), (33, 14905440), (36, 13663320), (40, 12296988), (44, 11179080), (45, 10930656), (48, 10247490), (54, 9108880), (55, 8943264), (60, 8197992), (66, 7452720), (72, 6831660), (80, 6148494), (88, 5589540), (90, 5465328), (96, 5123745), (99, 4968480), (108, 4554440), (110, 4471632), (120, 4098996), (121, 4065120), (132, 3726360), (135, 3643552), (144, 3415830), (160, 3074247), (165, 2981088), (176, 2794770), (180, 2732664), (198, 2484240), (216, 2277220), (220, 2235816), (240, 2049498), (242, 2032560), (264, 1863180), (270, 1821776), (288, 1707915), (297, 1656160), (330, 1490544), (352, 1397385), (360, 1366332), (363, 1355040), (396, 1242120), (432, 1138610), (440, 1117908), (480, 1024749), (484, 1016280), (495, 993696), (528, 931590), (540, 910888), (594, 828080), (605, 813024), (660, 745272), (720, 683166), (726, 677520), (792, 621060), (864, 569305), (880, 558954), (941, 522720), (968, 508140), (990, 496848), (1056, 465795), (1080, 455444), (1089, 451680), (1188, 414040), (1210, 406512), (1320, 372636), (1440, 341583), (1452, 338760), (1485, 331232), (1584, 310530), (1760, 279477), (1815, 271008), (1882, 261360), (1936, 254070), (1980, 248424), (2160, 227722), (2178, 225840), (2376, 207020), (2420, 203256), (2640, 186318), (2823, 174240), (2904, 169380), (2970, 165616), (3168, 155265), (3267, 150560), (3630, 135504), (3764, 130680), (3872, 127035), (3960, 124212), (4320, 113861), (4356, 112920), (4705, 104544), (4752, 103510), (4840, 101628), (5280, 93159), (5445, 90336), (5646, 87120), (5808, 84690), (5940, 82808), (6534, 75280), (7260, 67752), (7528, 65340), (7920, 62106), (8469, 58080), (8712, 56460), (9410, 52272), (9504, 51755), (9680, 50814), (10351, 47520), (10890, 45168), (11292, 43560), (11616, 42345), (11880, 41404), (13068, 37640), (14115, 34848), (14520, 33876), (15056, 32670), (15840, 31053), (16335, 30112), (16938, 29040), (17424, 28230), (18820, 26136), (19360, 25407), (20702, 23760), (21780, 22584)]