81888408

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{2579}}^1$

素因数の和:2611

約数の個数: 120

約数和(自身を含む): 266913900

約数和(自身を除く): 185025492

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 378, 392, 441, 504, 567, 588, 648, 756, 882, 1134, 1176, 1323, 1512, 1764, 2268, 2579, 2646, 3528, 3969, 4536, 5158, 5292, 7737, 7938, 10316, 10584, 15474, 15876, 18053, 20632, 23211, 30948, 31752, 36106, 46422, 54159, 61896, 69633, 72212, 92844, 108318, 126371, 139266, 144424, 162477, 185688, 208899, 216636, 252742, 278532, 324954, 379113, 417798, 433272, 487431, 505484, 557064, 649908, 758226, 835596, 974862, 1010968, 1137339, 1299816, 1462293, 1516452, 1671192, 1949724, 2274678, 2924586, 3032904, 3412017, 3899448, 4549356, 5849172, 6824034, 9098712, 10236051, 11698344, 13648068, 20472102, 27296136, 40944204, 81888408]

約数ペア:

[(1, 81888408), (2, 40944204), (3, 27296136), (4, 20472102), (6, 13648068), (7, 11698344), (8, 10236051), (9, 9098712), (12, 6824034), (14, 5849172), (18, 4549356), (21, 3899448), (24, 3412017), (27, 3032904), (28, 2924586), (36, 2274678), (42, 1949724), (49, 1671192), (54, 1516452), (56, 1462293), (63, 1299816), (72, 1137339), (81, 1010968), (84, 974862), (98, 835596), (108, 758226), (126, 649908), (147, 557064), (162, 505484), (168, 487431), (189, 433272), (196, 417798), (216, 379113), (252, 324954), (294, 278532), (324, 252742), (378, 216636), (392, 208899), (441, 185688), (504, 162477), (567, 144424), (588, 139266), (648, 126371), (756, 108318), (882, 92844), (1134, 72212), (1176, 69633), (1323, 61896), (1512, 54159), (1764, 46422), (2268, 36106), (2579, 31752), (2646, 30948), (3528, 23211), (3969, 20632), (4536, 18053), (5158, 15876), (5292, 15474), (7737, 10584), (7938, 10316)]