320742016

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8731}}^1$

素因数の和:8793

約数の個数: 64

約数和(自身を含む): 748157760

約数和(自身を除く): 427415744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 574, 656, 896, 1148, 1312, 2296, 2624, 4592, 5248, 8731, 9184, 17462, 18368, 34924, 36736, 61117, 69848, 122234, 139696, 244468, 279392, 357971, 488936, 558784, 715942, 977872, 1117568, 1431884, 1955744, 2505797, 2863768, 3911488, 5011594, 5727536, 7822976, 10023188, 11455072, 20046376, 22910144, 40092752, 45820288, 80185504, 160371008, 320742016]

約数ペア:

[(1, 320742016), (2, 160371008), (4, 80185504), (7, 45820288), (8, 40092752), (14, 22910144), (16, 20046376), (28, 11455072), (32, 10023188), (41, 7822976), (56, 5727536), (64, 5011594), (82, 3911488), (112, 2863768), (128, 2505797), (164, 1955744), (224, 1431884), (287, 1117568), (328, 977872), (448, 715942), (574, 558784), (656, 488936), (896, 357971), (1148, 279392), (1312, 244468), (2296, 139696), (2624, 122234), (4592, 69848), (5248, 61117), (8731, 36736), (9184, 34924), (17462, 18368)]