309139040

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 878169600

約数和(自身を除く): 569030560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 131, 140, 160, 172, 196, 215, 224, 245, 262, 280, 301, 343, 344, 392, 430, 490, 524, 560, 602, 655, 686, 688, 784, 860, 917, 980, 1048, 1120, 1204, 1310, 1372, 1376, 1505, 1568, 1715, 1720, 1834, 1960, 2096, 2107, 2408, 2620, 2744, 3010, 3430, 3440, 3668, 3920, 4192, 4214, 4585, 4816, 5240, 5488, 5633, 6020, 6419, 6860, 6880, 7336, 7840, 8428, 9170, 9632, 10480, 10535, 10976, 11266, 12040, 12838, 13720, 14672, 14749, 16856, 18340, 20960, 21070, 22532, 24080, 25676, 27440, 28165, 29344, 29498, 32095, 33712, 36680, 39431, 42140, 44933, 45064, 48160, 51352, 54880, 56330, 58996, 64190, 67424, 73360, 73745, 78862, 84280, 89866, 90128, 102704, 112660, 117992, 128380, 146720, 147490, 157724, 168560, 179732, 180256, 197155, 205408, 224665, 225320, 235984, 256760, 276017, 294980, 315448, 337120, 359464, 394310, 449330, 450640, 471968, 513520, 552034, 589960, 630896, 718928, 788620, 898660, 901280, 1027040, 1104068, 1179920, 1261792, 1380085, 1437856, 1577240, 1797320, 1932119, 2208136, 2359840, 2760170, 3154480, 3594640, 3864238, 4416272, 5520340, 6308960, 7189280, 7728476, 8832544, 9660595, 11040680, 15456952, 19321190, 22081360, 30913904, 38642380, 44162720, 61827808, 77284760, 154569520, 309139040]

約数ペア:

[(1, 309139040), (2, 154569520), (4, 77284760), (5, 61827808), (7, 44162720), (8, 38642380), (10, 30913904), (14, 22081360), (16, 19321190), (20, 15456952), (28, 11040680), (32, 9660595), (35, 8832544), (40, 7728476), (43, 7189280), (49, 6308960), (56, 5520340), (70, 4416272), (80, 3864238), (86, 3594640), (98, 3154480), (112, 2760170), (131, 2359840), (140, 2208136), (160, 1932119), (172, 1797320), (196, 1577240), (215, 1437856), (224, 1380085), (245, 1261792), (262, 1179920), (280, 1104068), (301, 1027040), (343, 901280), (344, 898660), (392, 788620), (430, 718928), (490, 630896), (524, 589960), (560, 552034), (602, 513520), (655, 471968), (686, 450640), (688, 449330), (784, 394310), (860, 359464), (917, 337120), (980, 315448), (1048, 294980), (1120, 276017), (1204, 256760), (1310, 235984), (1372, 225320), (1376, 224665), (1505, 205408), (1568, 197155), (1715, 180256), (1720, 179732), (1834, 168560), (1960, 157724), (2096, 147490), (2107, 146720), (2408, 128380), (2620, 117992), (2744, 112660), (3010, 102704), (3430, 90128), (3440, 89866), (3668, 84280), (3920, 78862), (4192, 73745), (4214, 73360), (4585, 67424), (4816, 64190), (5240, 58996), (5488, 56330), (5633, 54880), (6020, 51352), (6419, 48160), (6860, 45064), (6880, 44933), (7336, 42140), (7840, 39431), (8428, 36680), (9170, 33712), (9632, 32095), (10480, 29498), (10535, 29344), (10976, 28165), (11266, 27440), (12040, 25676), (12838, 24080), (13720, 22532), (14672, 21070), (14749, 20960), (16856, 18340)]