248348520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:872

約数の個数: 192

約数和(自身を含む): 930384000

約数和(自身を除く): 682035480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 139, 140, 168, 180, 210, 252, 278, 280, 315, 360, 417, 420, 504, 556, 630, 695, 709, 834, 840, 973, 1112, 1251, 1260, 1390, 1418, 1668, 1946, 2085, 2127, 2502, 2520, 2780, 2836, 2919, 3336, 3545, 3892, 4170, 4254, 4865, 4963, 5004, 5560, 5672, 5838, 6255, 6381, 7090, 7784, 8340, 8508, 8757, 9730, 9926, 10008, 10635, 11676, 12510, 12762, 14180, 14595, 14889, 16680, 17016, 17514, 19460, 19852, 21270, 23352, 24815, 25020, 25524, 28360, 29190, 29778, 31905, 35028, 38920, 39704, 42540, 43785, 44667, 49630, 50040, 51048, 58380, 59556, 63810, 70056, 74445, 85080, 87570, 89334, 98551, 99260, 116760, 119112, 127620, 148890, 175140, 178668, 197102, 198520, 223335, 255240, 295653, 297780, 350280, 357336, 394204, 446670, 492755, 591306, 595560, 689857, 788408, 886959, 893340, 985510, 1182612, 1379714, 1478265, 1773918, 1786680, 1971020, 2069571, 2365224, 2759428, 2956530, 3449285, 3547836, 3942040, 4139142, 4434795, 5518856, 5913060, 6208713, 6898570, 7095672, 8278284, 8869590, 10347855, 11826120, 12417426, 13797140, 16556568, 17739180, 20695710, 24834852, 27594280, 31043565, 35478360, 41391420, 49669704, 62087130, 82782840, 124174260, 248348520]

約数ペア:

[(1, 248348520), (2, 124174260), (3, 82782840), (4, 62087130), (5, 49669704), (6, 41391420), (7, 35478360), (8, 31043565), (9, 27594280), (10, 24834852), (12, 20695710), (14, 17739180), (15, 16556568), (18, 13797140), (20, 12417426), (21, 11826120), (24, 10347855), (28, 8869590), (30, 8278284), (35, 7095672), (36, 6898570), (40, 6208713), (42, 5913060), (45, 5518856), (56, 4434795), (60, 4139142), (63, 3942040), (70, 3547836), (72, 3449285), (84, 2956530), (90, 2759428), (105, 2365224), (120, 2069571), (126, 1971020), (139, 1786680), (140, 1773918), (168, 1478265), (180, 1379714), (210, 1182612), (252, 985510), (278, 893340), (280, 886959), (315, 788408), (360, 689857), (417, 595560), (420, 591306), (504, 492755), (556, 446670), (630, 394204), (695, 357336), (709, 350280), (834, 297780), (840, 295653), (973, 255240), (1112, 223335), (1251, 198520), (1260, 197102), (1390, 178668), (1418, 175140), (1668, 148890), (1946, 127620), (2085, 119112), (2127, 116760), (2502, 99260), (2520, 98551), (2780, 89334), (2836, 87570), (2919, 85080), (3336, 74445), (3545, 70056), (3892, 63810), (4170, 59556), (4254, 58380), (4865, 51048), (4963, 50040), (5004, 49630), (5560, 44667), (5672, 43785), (5838, 42540), (6255, 39704), (6381, 38920), (7090, 35028), (7784, 31905), (8340, 29778), (8508, 29190), (8757, 28360), (9730, 25524), (9926, 25020), (10008, 24815), (10635, 23352), (11676, 21270), (12510, 19852), (12762, 19460), (14180, 17514), (14595, 17016), (14889, 16680)]