256098672

素因数分解:

$2^4\times 3^5\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 120

約数和(自身を含む): 749257600

約数和(自身を除く): 493158928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 199, 216, 243, 324, 331, 398, 432, 486, 597, 648, 662, 796, 972, 993, 1194, 1296, 1324, 1592, 1791, 1944, 1986, 2388, 2648, 2979, 3184, 3582, 3888, 3972, 4776, 5296, 5373, 5958, 7164, 7944, 8937, 9552, 10746, 11916, 14328, 15888, 16119, 17874, 21492, 23832, 26811, 28656, 32238, 35748, 42984, 47664, 48357, 53622, 64476, 65869, 71496, 80433, 85968, 96714, 107244, 128952, 131738, 142992, 160866, 193428, 197607, 214488, 257904, 263476, 321732, 386856, 395214, 428976, 526952, 592821, 643464, 773712, 790428, 1053904, 1185642, 1286928, 1580856, 1778463, 2371284, 3161712, 3556926, 4742568, 5335389, 7113852, 9485136, 10670778, 14227704, 16006167, 21341556, 28455408, 32012334, 42683112, 64024668, 85366224, 128049336, 256098672]

約数ペア:

[(1, 256098672), (2, 128049336), (3, 85366224), (4, 64024668), (6, 42683112), (8, 32012334), (9, 28455408), (12, 21341556), (16, 16006167), (18, 14227704), (24, 10670778), (27, 9485136), (36, 7113852), (48, 5335389), (54, 4742568), (72, 3556926), (81, 3161712), (108, 2371284), (144, 1778463), (162, 1580856), (199, 1286928), (216, 1185642), (243, 1053904), (324, 790428), (331, 773712), (398, 643464), (432, 592821), (486, 526952), (597, 428976), (648, 395214), (662, 386856), (796, 321732), (972, 263476), (993, 257904), (1194, 214488), (1296, 197607), (1324, 193428), (1592, 160866), (1791, 142992), (1944, 131738), (1986, 128952), (2388, 107244), (2648, 96714), (2979, 85968), (3184, 80433), (3582, 71496), (3888, 65869), (3972, 64476), (4776, 53622), (5296, 48357), (5373, 47664), (5958, 42984), (7164, 35748), (7944, 32238), (8937, 28656), (9552, 26811), (10746, 23832), (11916, 21492), (14328, 17874), (15888, 16119)]