81998381088

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:1008

約数の個数: 288

約数和(自身を含む): 254349268992

約数和(自身を除く): 172350887904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 127, 144, 156, 208, 234, 254, 288, 312, 331, 381, 416, 468, 508, 521, 624, 662, 762, 936, 993, 1016, 1042, 1143, 1248, 1324, 1524, 1563, 1651, 1872, 1986, 2032, 2084, 2286, 2648, 2979, 3048, 3126, 3302, 3744, 3972, 4064, 4168, 4303, 4572, 4689, 4953, 5296, 5958, 6096, 6252, 6604, 6773, 7944, 8336, 8606, 9144, 9378, 9906, 10592, 11916, 12192, 12504, 12909, 13208, 13546, 14859, 15888, 16672, 17212, 18288, 18756, 19812, 20319, 23832, 25008, 25818, 26416, 27092, 29718, 31776, 34424, 36576, 37512, 38727, 39624, 40638, 42037, 47664, 50016, 51636, 52832, 54184, 59436, 60957, 66167, 68848, 75024, 77454, 79248, 81276, 84074, 95328, 103272, 108368, 118872, 121914, 126111, 132334, 137696, 150048, 154908, 158496, 162552, 168148, 172451, 198501, 206544, 216736, 237744, 243828, 252222, 264668, 309816, 325104, 336296, 344902, 378333, 397002, 413088, 475488, 487656, 504444, 517353, 529336, 546481, 595503, 619632, 650208, 672592, 689804, 756666, 794004, 860171, 975312, 1008888, 1034706, 1058672, 1092962, 1191006, 1239264, 1345184, 1379608, 1513332, 1552059, 1588008, 1639443, 1720342, 1950624, 2017776, 2069412, 2117344, 2185924, 2241863, 2382012, 2580513, 2759216, 3026664, 3104118, 3176016, 3278886, 3440684, 4035552, 4138824, 4371848, 4483726, 4764024, 4918329, 5161026, 5518432, 6053328, 6208236, 6352032, 6557772, 6725589, 6881368, 7741539, 8277648, 8743696, 8967452, 9528048, 9836658, 10322052, 12106656, 12416472, 13115544, 13451178, 13762736, 15483078, 16555296, 17487392, 17934904, 19056096, 19673316, 20176767, 20644104, 21901277, 24832944, 26231088, 26902356, 27525472, 30966156, 35869808, 39346632, 40353534, 41288208, 43802554, 49665888, 52462176, 53804712, 61932312, 65703831, 71739616, 78693264, 80707068, 82576416, 87605108, 107609424, 123864624, 131407662, 157386528, 161414136, 175210216, 197111493, 215218848, 247729248, 262815324, 284716601, 322828272, 350420432, 394222986, 525630648, 569433202, 645656544, 700840864, 788445972, 854149803, 1051261296, 1138866404, 1576891944, 1708299606, 2102522592, 2277732808, 2562449409, 3153783888, 3416599212, 4555465616, 5124898818, 6307567776, 6833198424, 9110931232, 10249797636, 13666396848, 20499595272, 27332793696, 40999190544, 81998381088]

約数ペア:

[(1, 81998381088), (2, 40999190544), (3, 27332793696), (4, 20499595272), (6, 13666396848), (8, 10249797636), (9, 9110931232), (12, 6833198424), (13, 6307567776), (16, 5124898818), (18, 4555465616), (24, 3416599212), (26, 3153783888), (32, 2562449409), (36, 2277732808), (39, 2102522592), (48, 1708299606), (52, 1576891944), (72, 1138866404), (78, 1051261296), (96, 854149803), (104, 788445972), (117, 700840864), (127, 645656544), (144, 569433202), (156, 525630648), (208, 394222986), (234, 350420432), (254, 322828272), (288, 284716601), (312, 262815324), (331, 247729248), (381, 215218848), (416, 197111493), (468, 175210216), (508, 161414136), (521, 157386528), (624, 131407662), (662, 123864624), (762, 107609424), (936, 87605108), (993, 82576416), (1016, 80707068), (1042, 78693264), (1143, 71739616), (1248, 65703831), (1324, 61932312), (1524, 53804712), (1563, 52462176), (1651, 49665888), (1872, 43802554), (1986, 41288208), (2032, 40353534), (2084, 39346632), (2286, 35869808), (2648, 30966156), (2979, 27525472), (3048, 26902356), (3126, 26231088), (3302, 24832944), (3744, 21901277), (3972, 20644104), (4064, 20176767), (4168, 19673316), (4303, 19056096), (4572, 17934904), (4689, 17487392), (4953, 16555296), (5296, 15483078), (5958, 13762736), (6096, 13451178), (6252, 13115544), (6604, 12416472), (6773, 12106656), (7944, 10322052), (8336, 9836658), (8606, 9528048), (9144, 8967452), (9378, 8743696), (9906, 8277648), (10592, 7741539), (11916, 6881368), (12192, 6725589), (12504, 6557772), (12909, 6352032), (13208, 6208236), (13546, 6053328), (14859, 5518432), (15888, 5161026), (16672, 4918329), (17212, 4764024), (18288, 4483726), (18756, 4371848), (19812, 4138824), (20319, 4035552), (23832, 3440684), (25008, 3278886), (25818, 3176016), (26416, 3104118), (27092, 3026664), (29718, 2759216), (31776, 2580513), (34424, 2382012), (36576, 2241863), (37512, 2185924), (38727, 2117344), (39624, 2069412), (40638, 2017776), (42037, 1950624), (47664, 1720342), (50016, 1639443), (51636, 1588008), (52832, 1552059), (54184, 1513332), (59436, 1379608), (60957, 1345184), (66167, 1239264), (68848, 1191006), (75024, 1092962), (77454, 1058672), (79248, 1034706), (81276, 1008888), (84074, 975312), (95328, 860171), (103272, 794004), (108368, 756666), (118872, 689804), (121914, 672592), (126111, 650208), (132334, 619632), (137696, 595503), (150048, 546481), (154908, 529336), (158496, 517353), (162552, 504444), (168148, 487656), (172451, 475488), (198501, 413088), (206544, 397002), (216736, 378333), (237744, 344902), (243828, 336296), (252222, 325104), (264668, 309816)]