81306288

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 284981760

約数和(自身を除く): 203675472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 84, 92, 98, 108, 112, 126, 138, 144, 147, 161, 167, 168, 184, 189, 196, 207, 216, 252, 276, 294, 322, 334, 336, 368, 378, 392, 414, 432, 441, 483, 501, 504, 552, 588, 621, 644, 668, 756, 784, 828, 882, 966, 1002, 1008, 1104, 1127, 1169, 1176, 1242, 1288, 1323, 1336, 1449, 1503, 1512, 1656, 1764, 1932, 2004, 2254, 2338, 2352, 2484, 2576, 2646, 2672, 2898, 3006, 3024, 3312, 3381, 3507, 3528, 3841, 3864, 4008, 4347, 4508, 4509, 4676, 4968, 5292, 5796, 6012, 6762, 7014, 7056, 7682, 7728, 8016, 8183, 8694, 9016, 9018, 9352, 9936, 10143, 10521, 10584, 11523, 11592, 12024, 13524, 14028, 15364, 16366, 17388, 18032, 18036, 18704, 20286, 21042, 21168, 23046, 23184, 24048, 24549, 26887, 27048, 28056, 30429, 30728, 31563, 32732, 34569, 34776, 36072, 40572, 42084, 46092, 49098, 53774, 54096, 56112, 60858, 61456, 63126, 65464, 69138, 69552, 72144, 73647, 80661, 81144, 84168, 92184, 98196, 103707, 107548, 121716, 126252, 130928, 138276, 147294, 161322, 162288, 168336, 184368, 188209, 196392, 207414, 215096, 220941, 241983, 243432, 252504, 276552, 294588, 322644, 376418, 392784, 414828, 430192, 441882, 483966, 486864, 505008, 553104, 564627, 589176, 645288, 725949, 752836, 829656, 883764, 967932, 1129254, 1178352, 1290576, 1451898, 1505672, 1659312, 1693881, 1767528, 1935864, 2258508, 2903796, 3011344, 3387762, 3535056, 3871728, 4517016, 5081643, 5807592, 6775524, 9034032, 10163286, 11615184, 13551048, 20326572, 27102096, 40653144, 81306288]

約数ペア:

[(1, 81306288), (2, 40653144), (3, 27102096), (4, 20326572), (6, 13551048), (7, 11615184), (8, 10163286), (9, 9034032), (12, 6775524), (14, 5807592), (16, 5081643), (18, 4517016), (21, 3871728), (23, 3535056), (24, 3387762), (27, 3011344), (28, 2903796), (36, 2258508), (42, 1935864), (46, 1767528), (48, 1693881), (49, 1659312), (54, 1505672), (56, 1451898), (63, 1290576), (69, 1178352), (72, 1129254), (84, 967932), (92, 883764), (98, 829656), (108, 752836), (112, 725949), (126, 645288), (138, 589176), (144, 564627), (147, 553104), (161, 505008), (167, 486864), (168, 483966), (184, 441882), (189, 430192), (196, 414828), (207, 392784), (216, 376418), (252, 322644), (276, 294588), (294, 276552), (322, 252504), (334, 243432), (336, 241983), (368, 220941), (378, 215096), (392, 207414), (414, 196392), (432, 188209), (441, 184368), (483, 168336), (501, 162288), (504, 161322), (552, 147294), (588, 138276), (621, 130928), (644, 126252), (668, 121716), (756, 107548), (784, 103707), (828, 98196), (882, 92184), (966, 84168), (1002, 81144), (1008, 80661), (1104, 73647), (1127, 72144), (1169, 69552), (1176, 69138), (1242, 65464), (1288, 63126), (1323, 61456), (1336, 60858), (1449, 56112), (1503, 54096), (1512, 53774), (1656, 49098), (1764, 46092), (1932, 42084), (2004, 40572), (2254, 36072), (2338, 34776), (2352, 34569), (2484, 32732), (2576, 31563), (2646, 30728), (2672, 30429), (2898, 28056), (3006, 27048), (3024, 26887), (3312, 24549), (3381, 24048), (3507, 23184), (3528, 23046), (3841, 21168), (3864, 21042), (4008, 20286), (4347, 18704), (4508, 18036), (4509, 18032), (4676, 17388), (4968, 16366), (5292, 15364), (5796, 14028), (6012, 13524), (6762, 12024), (7014, 11592), (7056, 11523), (7682, 10584), (7728, 10521), (8016, 10143), (8183, 9936), (8694, 9352), (9016, 9018)]