77284760

素因数分解:

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

素因数の和:206

約数の個数: 128

約数和(自身を含む): 209088000

約数和(自身を除く): 131803240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 131, 140, 172, 196, 215, 245, 262, 280, 301, 343, 344, 392, 430, 490, 524, 602, 655, 686, 860, 917, 980, 1048, 1204, 1310, 1372, 1505, 1715, 1720, 1834, 1960, 2107, 2408, 2620, 2744, 3010, 3430, 3668, 4214, 4585, 5240, 5633, 6020, 6419, 6860, 7336, 8428, 9170, 10535, 11266, 12040, 12838, 13720, 14749, 16856, 18340, 21070, 22532, 25676, 28165, 29498, 32095, 36680, 39431, 42140, 44933, 45064, 51352, 56330, 58996, 64190, 73745, 78862, 84280, 89866, 112660, 117992, 128380, 147490, 157724, 179732, 197155, 224665, 225320, 256760, 276017, 294980, 315448, 359464, 394310, 449330, 552034, 589960, 788620, 898660, 1104068, 1380085, 1577240, 1797320, 1932119, 2208136, 2760170, 3864238, 5520340, 7728476, 9660595, 11040680, 15456952, 19321190, 38642380, 77284760]

約数ペア:

[(1, 77284760), (2, 38642380), (4, 19321190), (5, 15456952), (7, 11040680), (8, 9660595), (10, 7728476), (14, 5520340), (20, 3864238), (28, 2760170), (35, 2208136), (40, 1932119), (43, 1797320), (49, 1577240), (56, 1380085), (70, 1104068), (86, 898660), (98, 788620), (131, 589960), (140, 552034), (172, 449330), (196, 394310), (215, 359464), (245, 315448), (262, 294980), (280, 276017), (301, 256760), (343, 225320), (344, 224665), (392, 197155), (430, 179732), (490, 157724), (524, 147490), (602, 128380), (655, 117992), (686, 112660), (860, 89866), (917, 84280), (980, 78862), (1048, 73745), (1204, 64190), (1310, 58996), (1372, 56330), (1505, 51352), (1715, 45064), (1720, 44933), (1834, 42140), (1960, 39431), (2107, 36680), (2408, 32095), (2620, 29498), (2744, 28165), (3010, 25676), (3430, 22532), (3668, 21070), (4214, 18340), (4585, 16856), (5240, 14749), (5633, 13720), (6020, 12838), (6419, 12040), (6860, 11266), (7336, 10535), (8428, 9170)]