265715840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 692722800

約数和(自身を除く): 427006960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 260, 293, 320, 416, 436, 520, 545, 586, 640, 832, 872, 1040, 1090, 1172, 1417, 1465, 1664, 1744, 2080, 2180, 2344, 2834, 2930, 3488, 3809, 4160, 4360, 4688, 5668, 5860, 6976, 7085, 7618, 8320, 8720, 9376, 11336, 11720, 13952, 14170, 15236, 17440, 18752, 19045, 22672, 23440, 28340, 30472, 31937, 34880, 37504, 38090, 45344, 46880, 56680, 60944, 63874, 69760, 76180, 90688, 93760, 113360, 121888, 127748, 152360, 159685, 181376, 187520, 226720, 243776, 255496, 304720, 319370, 415181, 453440, 487552, 510992, 609440, 638740, 830362, 906880, 1021984, 1218880, 1277480, 1660724, 2043968, 2075905, 2437760, 2554960, 3321448, 4087936, 4151810, 5109920, 6642896, 8303620, 10219840, 13285792, 16607240, 20439680, 26571584, 33214480, 53143168, 66428960, 132857920, 265715840]

約数ペア:

[(1, 265715840), (2, 132857920), (4, 66428960), (5, 53143168), (8, 33214480), (10, 26571584), (13, 20439680), (16, 16607240), (20, 13285792), (26, 10219840), (32, 8303620), (40, 6642896), (52, 5109920), (64, 4151810), (65, 4087936), (80, 3321448), (104, 2554960), (109, 2437760), (128, 2075905), (130, 2043968), (160, 1660724), (208, 1277480), (218, 1218880), (260, 1021984), (293, 906880), (320, 830362), (416, 638740), (436, 609440), (520, 510992), (545, 487552), (586, 453440), (640, 415181), (832, 319370), (872, 304720), (1040, 255496), (1090, 243776), (1172, 226720), (1417, 187520), (1465, 181376), (1664, 159685), (1744, 152360), (2080, 127748), (2180, 121888), (2344, 113360), (2834, 93760), (2930, 90688), (3488, 76180), (3809, 69760), (4160, 63874), (4360, 60944), (4688, 56680), (5668, 46880), (5860, 45344), (6976, 38090), (7085, 37504), (7618, 34880), (8320, 31937), (8720, 30472), (9376, 28340), (11336, 23440), (11720, 22672), (13952, 19045), (14170, 18752), (15236, 17440)]