80921988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16901}}^1$

素因数の和:16937

約数の個数: 72

約数和(自身を含む): 246093120

約数和(自身を除く): 165171132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 16901, 33802, 50703, 67604, 101406, 118307, 152109, 202812, 236614, 304218, 321119, 354921, 473228, 608436, 642238, 709842, 963357, 1064763, 1284476, 1419684, 1926714, 2129526, 2247833, 2890071, 3853428, 4259052, 4495666, 5780142, 6743499, 8991332, 11560284, 13486998, 20230497, 26973996, 40460994, 80921988]

約数ペア:

[(1, 80921988), (2, 40460994), (3, 26973996), (4, 20230497), (6, 13486998), (7, 11560284), (9, 8991332), (12, 6743499), (14, 5780142), (18, 4495666), (19, 4259052), (21, 3853428), (28, 2890071), (36, 2247833), (38, 2129526), (42, 1926714), (57, 1419684), (63, 1284476), (76, 1064763), (84, 963357), (114, 709842), (126, 642238), (133, 608436), (171, 473228), (228, 354921), (252, 321119), (266, 304218), (342, 236614), (399, 202812), (532, 152109), (684, 118307), (798, 101406), (1197, 67604), (1596, 50703), (2394, 33802), (4788, 16901)]