81220590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 256

約数和(自身を含む): 261273600

約数和(自身を除く): 180053010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 29, 30, 33, 41, 45, 46, 54, 55, 58, 66, 69, 82, 87, 90, 99, 110, 115, 123, 135, 138, 145, 165, 174, 198, 205, 207, 230, 246, 253, 261, 270, 290, 297, 319, 330, 345, 369, 410, 414, 435, 451, 495, 506, 522, 594, 615, 621, 638, 667, 690, 738, 759, 783, 870, 902, 943, 957, 990, 1035, 1107, 1189, 1230, 1242, 1265, 1305, 1334, 1353, 1485, 1518, 1566, 1595, 1845, 1886, 1914, 2001, 2070, 2214, 2255, 2277, 2378, 2530, 2610, 2706, 2829, 2871, 2970, 3105, 3190, 3335, 3567, 3690, 3795, 3915, 4002, 4059, 4510, 4554, 4715, 4785, 5535, 5658, 5742, 5945, 6003, 6210, 6670, 6765, 6831, 7134, 7337, 7590, 7830, 8118, 8487, 8613, 9430, 9570, 10005, 10373, 10701, 11070, 11385, 11890, 12006, 12177, 13079, 13530, 13662, 14145, 14355, 14674, 16974, 17226, 17835, 18009, 20010, 20295, 20746, 21402, 22011, 22770, 24354, 25461, 26158, 27347, 28290, 28710, 30015, 31119, 32103, 34155, 35670, 36018, 36685, 39237, 40590, 42435, 43065, 44022, 50922, 51865, 53505, 54694, 60030, 60885, 62238, 64206, 65395, 66033, 68310, 73370, 78474, 82041, 84870, 86130, 90045, 93357, 103730, 107010, 110055, 117711, 121770, 127305, 130790, 132066, 136735, 155595, 160515, 164082, 180090, 186714, 196185, 198099, 220110, 235422, 246123, 254610, 273470, 280071, 300817, 311190, 321030, 330165, 353133, 392370, 396198, 410205, 466785, 492246, 560142, 588555, 601634, 660330, 706266, 738369, 820410, 902451, 933570, 990495, 1177110, 1230615, 1400355, 1476738, 1504085, 1765665, 1804902, 1980990, 2461230, 2707353, 2800710, 3008170, 3531330, 3691845, 4512255, 5414706, 7383690, 8122059, 9024510, 13536765, 16244118, 27073530, 40610295, 81220590]

約数ペア:

[(1, 81220590), (2, 40610295), (3, 27073530), (5, 16244118), (6, 13536765), (9, 9024510), (10, 8122059), (11, 7383690), (15, 5414706), (18, 4512255), (22, 3691845), (23, 3531330), (27, 3008170), (29, 2800710), (30, 2707353), (33, 2461230), (41, 1980990), (45, 1804902), (46, 1765665), (54, 1504085), (55, 1476738), (58, 1400355), (66, 1230615), (69, 1177110), (82, 990495), (87, 933570), (90, 902451), (99, 820410), (110, 738369), (115, 706266), (123, 660330), (135, 601634), (138, 588555), (145, 560142), (165, 492246), (174, 466785), (198, 410205), (205, 396198), (207, 392370), (230, 353133), (246, 330165), (253, 321030), (261, 311190), (270, 300817), (290, 280071), (297, 273470), (319, 254610), (330, 246123), (345, 235422), (369, 220110), (410, 198099), (414, 196185), (435, 186714), (451, 180090), (495, 164082), (506, 160515), (522, 155595), (594, 136735), (615, 132066), (621, 130790), (638, 127305), (667, 121770), (690, 117711), (738, 110055), (759, 107010), (783, 103730), (870, 93357), (902, 90045), (943, 86130), (957, 84870), (990, 82041), (1035, 78474), (1107, 73370), (1189, 68310), (1230, 66033), (1242, 65395), (1265, 64206), (1305, 62238), (1334, 60885), (1353, 60030), (1485, 54694), (1518, 53505), (1566, 51865), (1595, 50922), (1845, 44022), (1886, 43065), (1914, 42435), (2001, 40590), (2070, 39237), (2214, 36685), (2255, 36018), (2277, 35670), (2378, 34155), (2530, 32103), (2610, 31119), (2706, 30015), (2829, 28710), (2871, 28290), (2970, 27347), (3105, 26158), (3190, 25461), (3335, 24354), (3567, 22770), (3690, 22011), (3795, 21402), (3915, 20746), (4002, 20295), (4059, 20010), (4510, 18009), (4554, 17835), (4715, 17226), (4785, 16974), (5535, 14674), (5658, 14355), (5742, 14145), (5945, 13662), (6003, 13530), (6210, 13079), (6670, 12177), (6765, 12006), (6831, 11890), (7134, 11385), (7337, 11070), (7590, 10701), (7830, 10373), (8118, 10005), (8487, 9570), (8613, 9430)]