247487940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:539

約数の個数: 192

約数和(自身を含む): 886878720

約数和(自身を除く): 639390780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 233, 252, 270, 281, 315, 378, 420, 466, 540, 562, 630, 699, 756, 843, 932, 945, 1124, 1165, 1260, 1398, 1405, 1631, 1686, 1890, 1967, 2097, 2330, 2529, 2796, 2810, 3262, 3372, 3495, 3780, 3934, 4194, 4215, 4660, 4893, 5058, 5620, 5901, 6291, 6524, 6990, 7587, 7868, 8155, 8388, 8430, 9786, 9835, 10116, 10485, 11802, 12582, 12645, 13980, 14679, 15174, 16310, 16860, 17703, 19572, 19670, 20970, 23604, 24465, 25164, 25290, 29358, 29505, 30348, 31455, 32620, 35406, 37935, 39340, 41940, 44037, 48930, 50580, 53109, 58716, 59010, 62910, 65473, 70812, 73395, 75870, 88074, 88515, 97860, 106218, 118020, 125820, 130946, 146790, 151740, 176148, 177030, 196419, 212436, 220185, 261892, 265545, 293580, 327365, 354060, 392838, 440370, 458311, 531090, 589257, 654730, 785676, 880740, 916622, 982095, 1062180, 1178514, 1309460, 1374933, 1767771, 1833244, 1964190, 2291555, 2357028, 2749866, 2946285, 3535542, 3928380, 4124799, 4583110, 5499732, 5892570, 6874665, 7071084, 8249598, 8838855, 9166220, 11785140, 12374397, 13749330, 16499196, 17677710, 20623995, 24748794, 27498660, 35355420, 41247990, 49497588, 61871985, 82495980, 123743970, 247487940]

約数ペア:

[(1, 247487940), (2, 123743970), (3, 82495980), (4, 61871985), (5, 49497588), (6, 41247990), (7, 35355420), (9, 27498660), (10, 24748794), (12, 20623995), (14, 17677710), (15, 16499196), (18, 13749330), (20, 12374397), (21, 11785140), (27, 9166220), (28, 8838855), (30, 8249598), (35, 7071084), (36, 6874665), (42, 5892570), (45, 5499732), (54, 4583110), (60, 4124799), (63, 3928380), (70, 3535542), (84, 2946285), (90, 2749866), (105, 2357028), (108, 2291555), (126, 1964190), (135, 1833244), (140, 1767771), (180, 1374933), (189, 1309460), (210, 1178514), (233, 1062180), (252, 982095), (270, 916622), (281, 880740), (315, 785676), (378, 654730), (420, 589257), (466, 531090), (540, 458311), (562, 440370), (630, 392838), (699, 354060), (756, 327365), (843, 293580), (932, 265545), (945, 261892), (1124, 220185), (1165, 212436), (1260, 196419), (1398, 177030), (1405, 176148), (1631, 151740), (1686, 146790), (1890, 130946), (1967, 125820), (2097, 118020), (2330, 106218), (2529, 97860), (2796, 88515), (2810, 88074), (3262, 75870), (3372, 73395), (3495, 70812), (3780, 65473), (3934, 62910), (4194, 59010), (4215, 58716), (4660, 53109), (4893, 50580), (5058, 48930), (5620, 44037), (5901, 41940), (6291, 39340), (6524, 37935), (6990, 35406), (7587, 32620), (7868, 31455), (8155, 30348), (8388, 29505), (8430, 29358), (9786, 25290), (9835, 25164), (10116, 24465), (10485, 23604), (11802, 20970), (12582, 19670), (12645, 19572), (13980, 17703), (14679, 16860), (15174, 16310)]