128205088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 72

約数和(自身を含む): 285269040

約数和(自身を除く): 157063952

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 379, 496, 682, 758, 961, 992, 1364, 1516, 1922, 2728, 3032, 3844, 4169, 5456, 6064, 7688, 8338, 10571, 10912, 11749, 12128, 15376, 16676, 21142, 23498, 30752, 33352, 42284, 46996, 66704, 84568, 93992, 129239, 133408, 169136, 187984, 258478, 338272, 364219, 375968, 516956, 728438, 1033912, 1456876, 2067824, 2913752, 4006409, 4135648, 5827504, 8012818, 11655008, 16025636, 32051272, 64102544, 128205088]

約数ペア:

[(1, 128205088), (2, 64102544), (4, 32051272), (8, 16025636), (11, 11655008), (16, 8012818), (22, 5827504), (31, 4135648), (32, 4006409), (44, 2913752), (62, 2067824), (88, 1456876), (124, 1033912), (176, 728438), (248, 516956), (341, 375968), (352, 364219), (379, 338272), (496, 258478), (682, 187984), (758, 169136), (961, 133408), (992, 129239), (1364, 93992), (1516, 84568), (1922, 66704), (2728, 46996), (3032, 42284), (3844, 33352), (4169, 30752), (5456, 23498), (6064, 21142), (7688, 16676), (8338, 15376), (10571, 12128), (10912, 11749)]