321668340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 1125218304

約数和(自身を除く): 803549964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 67, 69, 70, 71, 84, 92, 98, 105, 115, 134, 138, 140, 142, 147, 161, 196, 201, 210, 213, 230, 245, 268, 276, 284, 294, 322, 335, 345, 355, 402, 420, 426, 460, 469, 483, 490, 497, 588, 644, 670, 690, 710, 735, 804, 805, 852, 938, 966, 980, 994, 1005, 1065, 1127, 1340, 1380, 1407, 1420, 1470, 1491, 1541, 1610, 1633, 1876, 1932, 1988, 2010, 2130, 2254, 2345, 2415, 2485, 2814, 2940, 2982, 3082, 3220, 3266, 3283, 3381, 3479, 4020, 4260, 4508, 4623, 4690, 4757, 4830, 4899, 4970, 5628, 5635, 5964, 6164, 6532, 6566, 6762, 6958, 7035, 7455, 7705, 8165, 9246, 9380, 9514, 9660, 9798, 9849, 9940, 10437, 10787, 11270, 11431, 13132, 13524, 13916, 14070, 14271, 14910, 15410, 16330, 16415, 16905, 17395, 18492, 19028, 19596, 19698, 20874, 21574, 22540, 22862, 23115, 23785, 24495, 28140, 28542, 29820, 30820, 32361, 32660, 32830, 33299, 33810, 34293, 34790, 39396, 41748, 43148, 45724, 46230, 47570, 48990, 49245, 52185, 53935, 57084, 57155, 64722, 65660, 66598, 67620, 68586, 69580, 71355, 75509, 80017, 92460, 95140, 97980, 98490, 99897, 104370, 107870, 109411, 114310, 129444, 133196, 137172, 142710, 151018, 160034, 161805, 166495, 171465, 196980, 199794, 208740, 215740, 218822, 226527, 228620, 233093, 240051, 285420, 302036, 320068, 323610, 328233, 332990, 342930, 377545, 399588, 400085, 437644, 453054, 466186, 480102, 499485, 547055, 647220, 656466, 665980, 685860, 699279, 755090, 765877, 800170, 906108, 932372, 960204, 998970, 1094110, 1132635, 1165465, 1200255, 1312932, 1398558, 1510180, 1531754, 1600340, 1641165, 1997940, 2188220, 2265270, 2297631, 2330930, 2400510, 2797116, 3063508, 3282330, 3496395, 3829385, 4530540, 4595262, 4661860, 4801020, 5361139, 6564660, 6992790, 7658770, 9190524, 10722278, 11488155, 13985580, 15317540, 16083417, 21444556, 22976310, 26805695, 32166834, 45952620, 53611390, 64333668, 80417085, 107222780, 160834170, 321668340]

約数ペア:

[(1, 321668340), (2, 160834170), (3, 107222780), (4, 80417085), (5, 64333668), (6, 53611390), (7, 45952620), (10, 32166834), (12, 26805695), (14, 22976310), (15, 21444556), (20, 16083417), (21, 15317540), (23, 13985580), (28, 11488155), (30, 10722278), (35, 9190524), (42, 7658770), (46, 6992790), (49, 6564660), (60, 5361139), (67, 4801020), (69, 4661860), (70, 4595262), (71, 4530540), (84, 3829385), (92, 3496395), (98, 3282330), (105, 3063508), (115, 2797116), (134, 2400510), (138, 2330930), (140, 2297631), (142, 2265270), (147, 2188220), (161, 1997940), (196, 1641165), (201, 1600340), (210, 1531754), (213, 1510180), (230, 1398558), (245, 1312932), (268, 1200255), (276, 1165465), (284, 1132635), (294, 1094110), (322, 998970), (335, 960204), (345, 932372), (355, 906108), (402, 800170), (420, 765877), (426, 755090), (460, 699279), (469, 685860), (483, 665980), (490, 656466), (497, 647220), (588, 547055), (644, 499485), (670, 480102), (690, 466186), (710, 453054), (735, 437644), (804, 400085), (805, 399588), (852, 377545), (938, 342930), (966, 332990), (980, 328233), (994, 323610), (1005, 320068), (1065, 302036), (1127, 285420), (1340, 240051), (1380, 233093), (1407, 228620), (1420, 226527), (1470, 218822), (1491, 215740), (1541, 208740), (1610, 199794), (1633, 196980), (1876, 171465), (1932, 166495), (1988, 161805), (2010, 160034), (2130, 151018), (2254, 142710), (2345, 137172), (2415, 133196), (2485, 129444), (2814, 114310), (2940, 109411), (2982, 107870), (3082, 104370), (3220, 99897), (3266, 98490), (3283, 97980), (3381, 95140), (3479, 92460), (4020, 80017), (4260, 75509), (4508, 71355), (4623, 69580), (4690, 68586), (4757, 67620), (4830, 66598), (4899, 65660), (4970, 64722), (5628, 57155), (5635, 57084), (5964, 53935), (6164, 52185), (6532, 49245), (6566, 48990), (6762, 47570), (6958, 46230), (7035, 45724), (7455, 43148), (7705, 41748), (8165, 39396), (9246, 34790), (9380, 34293), (9514, 33810), (9660, 33299), (9798, 32830), (9849, 32660), (9940, 32361), (10437, 30820), (10787, 29820), (11270, 28542), (11431, 28140), (13132, 24495), (13524, 23785), (13916, 23115), (14070, 22862), (14271, 22540), (14910, 21574), (15410, 20874), (16330, 19698), (16415, 19596), (16905, 19028), (17395, 18492)]